Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '106d837ac6c8705ee3b287e97d5c8c592a7243d9e8ba433324935c2aef5b3d8f' 
  AND token = 'rV31gRQ4mfC8qMzB/GV0yQRlstbG169m37qbyDl8PI8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00028

JSON explain

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