UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4ZnwnrjIgnTqfPvpMu+vkHnRmBTrXnWxBnZOx8Sh3uY=' 
WHERE 
  key_id = 'b83d03a9b647cc7fe88cfc2e5462ec3664afd3988bf2cedc8ca08fee8952da52' 
  AND (
    token = '4ZnwnrjIgnTqfPvpMu+vkHnRmBTrXnWxBnZOx8Sh3uY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )