UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Sfuzf0sKZAv/M6KL8joSMSDi/yZBHb99r81KX1KZMHE=' 
WHERE 
  key_id = 'a40315f03f601cfd6cb8e2b2abd6824d2642cdc6aae8c69f78ca010216bbff8c' 
  AND (
    token = 'Sfuzf0sKZAv/M6KL8joSMSDi/yZBHb99r81KX1KZMHE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )