SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '1731060c4d6c7b6b6d9004b4bbd5f66583d82255c3eb2560da7598783963eab7' 
  AND token = 'WAz63gtJOoNTFXXXWhniSgZ2C+o6jYPklnxJKFQ1nFw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00038

JSON explain

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