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SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'c00453322c814c7a7d0dcc1ed6c4a6384134787658bd042ec6b18688416c5ffd' 
  AND token = '9F2/IW3JlsP4W47IAWzQJamRIrN/w/5k04gBWruggQE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00017

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}