Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'd7d5a66f5b2af68628589b54386b248ee6c8e60b060113e3e3fea1313c134361' 
  AND token = '7+qv3cx8qmVIFOA0H7dVk5oTf4C4D1qRY9/o2z0JpIY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00018

JSON explain

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