UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Xz6J7Ljx4xVb9HA3rqy7yX2e+pWLqjEepAzEy3fZd9Q=' 
WHERE 
  key_id = '746446f9c316b76b956f5b9585a489de04c8f1efd58e2926ee6034364e79f315' 
  AND (
    token = 'Xz6J7Ljx4xVb9HA3rqy7yX2e+pWLqjEepAzEy3fZd9Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )