Your PREVIOUS account got hacked and you were banned. You say you have a new account and can't access the server because the invite is expired, that's a DIFFERENT issue. I don't know why it's marked expired for you which is why I'm asking other people if they have the same problem or not. Get it?
EDIT: Okay, I found this on a forum:
iirc these are the reasons why a link shows up as expired
- Invite is actually expired
- Account and/or IP is banned from server
- User has reached maximum number of guilds (which is 100)
So I'm afraid that in your case, it might be number 2. Even with a new account, your IP is banned, sorry.