UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DTz+zeo8taFcY7kaN6JXeWBSiHXaabUOuX9OCNG5CJI=' 
WHERE 
  key_id = '1d0ff0289aaa36f43b547b49ec62f613b1281f3b66ddc091ffa334a33a202ddb' 
  AND (
    token = 'DTz+zeo8taFcY7kaN6JXeWBSiHXaabUOuX9OCNG5CJI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )