UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'x28t5/EA+Yl7t5qNziCkS0yLq6K8LINUJqT8D+8FTXE=' 
WHERE 
  key_id = '40e549a63866167ad32155e5aaef9b7452458c687a634d52b65f7f4e35b8e4ca' 
  AND (
    token = 'x28t5/EA+Yl7t5qNziCkS0yLq6K8LINUJqT8D+8FTXE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )