UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9bJlHRGkBgZE51kKR9Y4GMDlvY0IAXbU+20QyrSdb9M=' 
WHERE 
  key_id = '6da99ce46f9c3f7176816888c34cac6a6f9545fe682ec8c1e135b919426e4c59' 
  AND (
    token = '9bJlHRGkBgZE51kKR9Y4GMDlvY0IAXbU+20QyrSdb9M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )