UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lTtVo1oAGBb0vm5HbWFr7rRUCao8a8olF9LLUQQIyK0=' 
WHERE 
  key_id = '94ac75b6c110e0d56533862591231df0d73938559701402a646b3707fc7ffe88' 
  AND (
    token = 'lTtVo1oAGBb0vm5HbWFr7rRUCao8a8olF9LLUQQIyK0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )