UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'l8jqreT32mIyajOHQw/1qFSij2MXc4t+ZqiLz8cFvqQ=' 
WHERE 
  key_id = '8018b69471c1aaa8f9cc9a0831c21bae8952635067285d7bf5d49dd75983f873' 
  AND (
    token = 'l8jqreT32mIyajOHQw/1qFSij2MXc4t+ZqiLz8cFvqQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )