The no-cookie RSS feed stopped working a long time ago, the site owner was made aware of this, if it's still not working it'll likely stay like that.
Here is an example of how links are served in the no-cookies XML file:
https://www.gaytor.rent/download.php?id=TORRENTID&rss=1&n=TORRENTNAME.torrent&k=PASSKEYamp; appears twice, that was likely a failed attempt to fix a previous parsing error. Although the rest of the URL is fine, this duplication causes an identation error, so the RSS feed can be read but downloads won't work.
If you really want to use the RSS, set the login type to standard, and add the uid/pass cookies in your torrent client.
For qbittorrent, the option is in Tools > Manage Cookies
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You can find your uid/pass cookies in the developer tools or using a browser extension.