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SELECT 
  pfv.feature_id, 
  pfv.product_id, 
  pfv.variant_id, 
  gp.group_id 
FROM 
  cscart_product_features_values AS pfv 
  INNER JOIN cscart_product_variation_group_products AS gp ON pfv.product_id = gp.product_id 
  INNER JOIN cscart_product_variation_group_features AS gpf ON gpf.group_id = gp.group_id 
  AND gpf.feature_id = pfv.feature_id 
WHERE 
  pfv.lang_code = 'ar' 
  AND gp.group_id IN (
    54, 51, 48, 47, 46, 45, 44, 43, 39, 38, 37, 
    36, 34, 32, 31, 30, 29, 28, 8, 9, 10, 11, 
    12, 13, 14, 16, 17, 18, 19, 20, 21, 6, 3, 
    59
  )

Query time 0.00145

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "100.81"
    },
    "nested_loop": [
      {
        "table": {
          "table_name": "gp",
          "access_type": "index",
          "possible_keys": [
            "PRIMARY",
            "idx_group_id"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "product_id",
            "group_id"
          ],
          "key_length": "6",
          "rows_examined_per_scan": 190,
          "rows_produced_per_join": 116,
          "filtered": "61.05",
          "using_index": true,
          "cost_info": {
            "read_cost": "8.02",
            "eval_cost": "11.60",
            "prefix_cost": "19.62",
            "data_read_per_join": "1K"
          },
          "used_columns": [
            "product_id",
            "group_id"
          ],
          "attached_condition": "(`betaatif_store`.`gp`.`group_id` in (54,51,48,47,46,45,44,43,39,38,37,36,34,32,31,30,29,28,8,9,10,11,12,13,14,16,17,18,19,20,21,6,3,59))"
        }
      },
      {
        "table": {
          "table_name": "gpf",
          "access_type": "ref",
          "possible_keys": [
            "PRIMARY",
            "idx_group_id"
          ],
          "key": "idx_group_id",
          "used_key_parts": [
            "group_id"
          ],
          "key_length": "3",
          "ref": [
            "betaatif_store.gp.group_id"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 116,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "29.00",
            "eval_cost": "11.60",
            "prefix_cost": "60.22",
            "data_read_per_join": "11K"
          },
          "used_columns": [
            "feature_id",
            "group_id"
          ]
        }
      },
      {
        "table": {
          "table_name": "pfv",
          "access_type": "ref",
          "possible_keys": [
            "PRIMARY",
            "fl",
            "lang_code",
            "product_id",
            "fpl",
            "idx_product_feature_variant_id"
          ],
          "key": "fpl",
          "used_key_parts": [
            "feature_id",
            "product_id",
            "lang_code"
          ],
          "key_length": "12",
          "ref": [
            "betaatif_store.gpf.feature_id",
            "betaatif_store.gp.product_id",
            "const"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 116,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "29.00",
            "eval_cost": "11.60",
            "prefix_cost": "100.82",
            "data_read_per_join": "89K"
          },
          "used_columns": [
            "feature_id",
            "product_id",
            "variant_id",
            "lang_code"
          ]
        }
      }
    ]
  }
}

Result

feature_id	product_id	variant_id	group_id
2	124	12	3
6	214	58	59
6	216	57	59
6	217	53	59
2	378	8	3
2	379	9	3
2	391	8	6
2	393	12	6
2	394	9	6
2	401	9	8
2	402	6	9
2	404	9	9
2	406	6	10
2	408	9	10
2	409	6	11
2	411	9	11
2	412	6	12
2	414	9	12
2	415	6	13
2	417	9	13
2	418	6	14
2	420	9	14
2	424	6	16
2	426	9	16
2	427	6	17
2	429	9	17
2	430	6	18
2	432	9	18
2	433	6	19
2	435	9	19
2	436	6	20
2	438	9	20
2	439	6	21
2	441	9	21
2	442	7	21
2	443	7	20
2	444	7	19
2	445	7	18
2	446	7	17
2	447	7	16
2	448	7	14
2	449	7	13
2	450	7	12
2	451	7	11
2	452	7	10
2	453	7	9
2	454	6	8
2	455	7	8
2	480	6	28
2	481	7	28
2	482	9	28
2	483	11	28
2	484	6	29
2	485	7	29
2	486	9	29
2	487	11	29
2	488	6	30
2	489	7	30
2	490	9	30
2	491	11	30
2	492	6	31
2	493	7	31
2	494	9	31
2	495	11	31
2	496	6	32
2	497	7	32
2	498	9	32
2	499	11	32
2	504	6	34
2	505	7	34
2	506	9	34
2	507	12	34
2	512	6	36
2	513	7	36
2	514	9	36
2	515	12	36
2	516	6	37
2	517	7	37
2	518	9	37
2	519	12	37
2	520	6	38
2	521	7	38
2	522	9	38
2	523	12	38
2	524	6	39
2	525	7	39
2	526	9	39
2	527	12	39
2	540	6	43
2	541	7	43
2	542	9	43
2	543	12	43
2	544	6	44
2	545	7	44
2	546	9	44
2	547	12	44
2	548	6	45
2	549	7	45
2	550	9	45
2	551	12	45
2	552	6	46
2	553	7	46
2	554	9	46
2	555	11	46
2	556	6	47
2	557	7	47
2	558	9	47
2	559	11	47
2	560	6	48
2	561	7	48
2	562	9	48
2	563	11	48
2	572	6	51
2	573	7	51
2	574	9	51
2	575	11	51
2	584	6	54
2	585	7	54
2	586	9	54
2	587	12	54

feature_id	product_id	variant_id	group_id
2	124	12	3
6	214	58	59
6	216	57	59
6	217	53	59
2	378	8	3
2	379	9	3
2	391	8	6
2	393	12	6
2	394	9	6
2	401	9	8
2	402	6	9
2	404	9	9
2	406	6	10
2	408	9	10
2	409	6	11
2	411	9	11
2	412	6	12
2	414	9	12
2	415	6	13
2	417	9	13
2	418	6	14
2	420	9	14
2	424	6	16
2	426	9	16
2	427	6	17
2	429	9	17
2	430	6	18
2	432	9	18
2	433	6	19
2	435	9	19
2	436	6	20
2	438	9	20
2	439	6	21
2	441	9	21
2	442	7	21
2	443	7	20
2	444	7	19
2	445	7	18
2	446	7	17
2	447	7	16
2	448	7	14
2	449	7	13
2	450	7	12
2	451	7	11
2	452	7	10
2	453	7	9
2	454	6	8
2	455	7	8
2	480	6	28
2	481	7	28
2	482	9	28
2	483	11	28
2	484	6	29
2	485	7	29
2	486	9	29
2	487	11	29
2	488	6	30
2	489	7	30
2	490	9	30
2	491	11	30
2	492	6	31
2	493	7	31
2	494	9	31
2	495	11	31
2	496	6	32
2	497	7	32
2	498	9	32
2	499	11	32
2	504	6	34
2	505	7	34
2	506	9	34
2	507	12	34
2	512	6	36
2	513	7	36
2	514	9	36
2	515	12	36
2	516	6	37
2	517	7	37
2	518	9	37
2	519	12	37
2	520	6	38
2	521	7	38
2	522	9	38
2	523	12	38
2	524	6	39
2	525	7	39
2	526	9	39
2	527	12	39
2	540	6	43
2	541	7	43
2	542	9	43
2	543	12	43
2	544	6	44
2	545	7	44
2	546	9	44
2	547	12	44
2	548	6	45
2	549	7	45
2	550	9	45
2	551	12	45
2	552	6	46
2	553	7	46
2	554	9	46
2	555	11	46
2	556	6	47
2	557	7	47
2	558	9	47
2	559	11	47
2	560	6	48
2	561	7	48
2	562	9	48
2	563	11	48
2	572	6	51
2	573	7	51
2	574	9	51
2	575	11	51
2	584	6	54
2	585	7	54
2	586	9	54
2	587	12	54

feature_id	product_id	variant_id	group_id
2	124	12	3
6	214	58	59
6	216	57	59
6	217	53	59
2	378	8	3
2	379	9	3
2	391	8	6
2	393	12	6
2	394	9	6
2	401	9	8
2	402	6	9
2	404	9	9
2	406	6	10
2	408	9	10
2	409	6	11
2	411	9	11
2	412	6	12
2	414	9	12
2	415	6	13
2	417	9	13
2	418	6	14
2	420	9	14
2	424	6	16
2	426	9	16
2	427	6	17
2	429	9	17
2	430	6	18
2	432	9	18
2	433	6	19
2	435	9	19
2	436	6	20
2	438	9	20
2	439	6	21
2	441	9	21
2	442	7	21
2	443	7	20
2	444	7	19
2	445	7	18
2	446	7	17
2	447	7	16
2	448	7	14
2	449	7	13
2	450	7	12
2	451	7	11
2	452	7	10
2	453	7	9
2	454	6	8
2	455	7	8
2	480	6	28
2	481	7	28
2	482	9	28
2	483	11	28
2	484	6	29
2	485	7	29
2	486	9	29
2	487	11	29
2	488	6	30
2	489	7	30
2	490	9	30
2	491	11	30
2	492	6	31
2	493	7	31
2	494	9	31
2	495	11	31
2	496	6	32
2	497	7	32
2	498	9	32
2	499	11	32
2	504	6	34
2	505	7	34
2	506	9	34
2	507	12	34
2	512	6	36
2	513	7	36
2	514	9	36
2	515	12	36
2	516	6	37
2	517	7	37
2	518	9	37
2	519	12	37
2	520	6	38
2	521	7	38
2	522	9	38
2	523	12	38
2	524	6	39
2	525	7	39
2	526	9	39
2	527	12	39
2	540	6	43
2	541	7	43
2	542	9	43
2	543	12	43
2	544	6	44
2	545	7	44
2	546	9	44
2	547	12	44
2	548	6	45
2	549	7	45
2	550	9	45
2	551	12	45
2	552	6	46
2	553	7	46
2	554	9	46
2	555	11	46
2	556	6	47
2	557	7	47
2	558	9	47
2	559	11	47
2	560	6	48
2	561	7	48
2	562	9	48
2	563	11	48
2	572	6	51
2	573	7	51
2	574	9	51
2	575	11	51
2	584	6	54
2	585	7	54
2	586	9	54
2	587	12	54

feature_id	product_id	variant_id	group_id
2	124	12	3
6	214	58	59
6	216	57	59
6	217	53	59
2	378	8	3
2	379	9	3
2	391	8	6
2	393	12	6
2	394	9	6
2	401	9	8
2	402	6	9
2	404	9	9
2	406	6	10
2	408	9	10
2	409	6	11
2	411	9	11
2	412	6	12
2	414	9	12
2	415	6	13
2	417	9	13
2	418	6	14
2	420	9	14
2	424	6	16
2	426	9	16
2	427	6	17
2	429	9	17
2	430	6	18
2	432	9	18
2	433	6	19
2	435	9	19
2	436	6	20
2	438	9	20
2	439	6	21
2	441	9	21
2	442	7	21
2	443	7	20
2	444	7	19
2	445	7	18
2	446	7	17
2	447	7	16
2	448	7	14
2	449	7	13
2	450	7	12
2	451	7	11
2	452	7	10
2	453	7	9
2	454	6	8
2	455	7	8
2	480	6	28
2	481	7	28
2	482	9	28
2	483	11	28
2	484	6	29
2	485	7	29
2	486	9	29
2	487	11	29
2	488	6	30
2	489	7	30
2	490	9	30
2	491	11	30
2	492	6	31
2	493	7	31
2	494	9	31
2	495	11	31
2	496	6	32
2	497	7	32
2	498	9	32
2	499	11	32
2	504	6	34
2	505	7	34
2	506	9	34
2	507	12	34
2	512	6	36
2	513	7	36
2	514	9	36
2	515	12	36
2	516	6	37
2	517	7	37
2	518	9	37
2	519	12	37
2	520	6	38
2	521	7	38
2	522	9	38
2	523	12	38
2	524	6	39
2	525	7	39
2	526	9	39
2	527	12	39
2	540	6	43
2	541	7	43
2	542	9	43
2	543	12	43
2	544	6	44
2	545	7	44
2	546	9	44
2	547	12	44
2	548	6	45
2	549	7	45
2	550	9	45
2	551	12	45
2	552	6	46
2	553	7	46
2	554	9	46
2	555	11	46
2	556	6	47
2	557	7	47
2	558	9	47
2	559	11	47
2	560	6	48
2	561	7	48
2	562	9	48
2	563	11	48
2	572	6	51
2	573	7	51
2	574	9	51
2	575	11	51
2	584	6	54
2	585	7	54
2	586	9	54
2	587	12	54