UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'M8qodSQBgHPp6JXkvy7m3bW+5P7+5aivHmONXtHeJSU=' 
WHERE 
  key_id = '8c5709c2b313fdc6779feed7323dcfe3320f46f689a53b52f09c08547561d74c' 
  AND (
    token = 'M8qodSQBgHPp6JXkvy7m3bW+5P7+5aivHmONXtHeJSU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )