Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '7069b686d077b0ebb8dab3dc7f37faae72394ae0a4eee6652c45a5474fb8503c' 
  AND token = '4vyCP7n2Z8myEXLW7Me7pBf5R7yBOl6S3W/TbWrONhs=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00042

JSON explain

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