UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/MjGUocye2GKxH0iylVj6AkRaufBDOhhxFyA6iOyRWg=' 
WHERE 
  key_id = '5939908df5d9987b568833ab090ea6ded96b920374453d401b38734b9268efa0' 
  AND (
    token = '/MjGUocye2GKxH0iylVj6AkRaufBDOhhxFyA6iOyRWg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )