UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'snlZBB/s235lczWkjbrrTdPITajFACT0rPhEKRX/pwM=' 
WHERE 
  key_id = '4881540033b633f4b4604f08c3e8e99f069eb1ddd90917314639455748d12c5d' 
  AND (
    token = 'snlZBB/s235lczWkjbrrTdPITajFACT0rPhEKRX/pwM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )