UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RgKFnVXmj1RGYSwZT2k2z5pOoPrvWuMtmKfutc5MbkM=' 
WHERE 
  key_id = '3b31fc95643feb6ee072dfcfba83e6a8401e609b6fb9e91363427bfcfa372011' 
  AND (
    token = 'RgKFnVXmj1RGYSwZT2k2z5pOoPrvWuMtmKfutc5MbkM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )