Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'cdb89302208b4e4e37cf20f627615c9f54bc7c384da6ba5a772510e924ff6322' 
  AND token = 'XInVjkU3SdD6imy/VuV4sMFfIzZeACd8/x9inqf8fJQ=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00050

JSON explain

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