SELECT 
  f.feature_id, 
  f.purpose, 
  p.product_id, 
  p.parent_product_id, 
  g.id, 
  g.code 
FROM 
  cscart_product_variation_group_features AS f 
  INNER JOIN cscart_product_variation_groups AS g ON f.group_id = g.id 
  INNER JOIN cscart_product_variation_group_products AS p ON f.group_id = p.group_id 
WHERE 
  p.product_id IN (
    693, 682, 676, 673, 671, 670, 664, 663, 
    658, 657, 656, 651, 650, 647, 645, 644, 
    641, 639, 636, 624, 622, 620, 619, 618, 
    616, 615, 608, 607, 600, 597, 584, 573, 
    561
  )

Query time 0.00042

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "50.81"
    },
    "nested_loop": [
      {
        "table": {
          "table_name": "p",
          "access_type": "range",
          "possible_keys": [
            "PRIMARY",
            "idx_group_id"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "product_id"
          ],
          "key_length": "3",
          "rows_examined_per_scan": 37,
          "rows_produced_per_join": 37,
          "filtered": "100.00",
          "index_condition": "(`betaatif_store`.`p`.`product_id` in (693,682,676,673,671,670,664,663,658,657,656,651,650,647,645,644,641,639,636,624,622,620,619,618,616,615,608,607,600,597,584,573,561))",
          "cost_info": {
            "read_cost": "21.21",
            "eval_cost": "3.70",
            "prefix_cost": "24.91",
            "data_read_per_join": "592"
          },
          "used_columns": [
            "product_id",
            "parent_product_id",
            "group_id"
          ]
        }
      },
      {
        "table": {
          "table_name": "f",
          "access_type": "ref",
          "possible_keys": [
            "idx_group_id"
          ],
          "key": "idx_group_id",
          "used_key_parts": [
            "group_id"
          ],
          "key_length": "3",
          "ref": [
            "betaatif_store.p.group_id"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 37,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "9.25",
            "eval_cost": "3.70",
            "prefix_cost": "37.86",
            "data_read_per_join": "3K"
          },
          "used_columns": [
            "feature_id",
            "purpose",
            "group_id"
          ]
        }
      },
      {
        "table": {
          "table_name": "g",
          "access_type": "eq_ref",
          "possible_keys": [
            "PRIMARY"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "id"
          ],
          "key_length": "3",
          "ref": [
            "betaatif_store.p.group_id"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 37,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "9.25",
            "eval_cost": "3.70",
            "prefix_cost": "50.81",
            "data_read_per_join": "14K"
          },
          "used_columns": [
            "id",
            "code"
          ]
        }
      }
    ]
  }
}