Plex Pass Lifetime Code Problem

So I got a Plex News email saying:

"
We’re going old school with a throwback to the original lifetime Plex Pass pricing. Thank you for all of your support!

This exclusive discount on a lifetime Plex Pass is available now through 11:59 PM PT on Tuesday, November 5, 2019. This code is for your account only and can be used once. As a reminder, a Plex Pass gives you access to all premium Plex features, like Live TV & DVR, Mobile Sync, Movie Trailers & Extras, Premium audio features, and many more."

I used my code on mobile, but my payment info got messed up so I then moved to my desktop and tried again. However, when I went to my desktop, it said that my code was already used. Help?

contact https://www.plex.tv/contact/?option=plex-pass-billing

Thanks OttoKerner.

Do you know how long it should take them to get back to me?