UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UuDypCpqHFPVHztGY6yIzAYReCR6ZDUxEpwtUdTTbSU=' 
WHERE 
  key_id = '34de1e07eb1df4395de5c06d7deab12dc918c4878088e0de46016f3be7b9f8db' 
  AND (
    token = 'UuDypCpqHFPVHztGY6yIzAYReCR6ZDUxEpwtUdTTbSU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )