try logging into
Home Page - Buddy Auth Portal you may have to register with the e-mail address you used during the checkout process. once you get in you should be able to View your keys, and kill your active sessions, (killing your active sessions should reset them so you can login without the Max Sessions message popping up) just make sure when logging into the honorbuddy program that you are logging in with your KEY as your username and no password.
you key will look something like this.
1A2B3C4D5E6F7G8H9I0J