Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '1bb37c8b9b0d7abf55e3a127d9fc46359298c05904c3e47e7854ffd9689e89b4' 
  AND token = 'ERY4HGy7I2Y9OJefcHz4IT/gosGPt49YffgiU+JiLMs=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00025

JSON explain

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