UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '31yxZxjmjODjNNrUpHqJmaO9X4y3AZpZyQ4bUisBo6U=' 
WHERE 
  key_id = '50d13b13339faf65e6f1a139219e65841cf919c12eb1db247049a9c6f1062c08' 
  AND (
    token = '31yxZxjmjODjNNrUpHqJmaO9X4y3AZpZyQ4bUisBo6U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )