If your account is no longer valid, you cannot access your Vmware profile with that account and therefore you cannot make the changes on your own. The only thing left is to call Vmware Support and explain to them what you want to change.
If you want you can also open a Ticket from the VMware form:
See the “I have multiple accounts” question on this FAQ page: Certification
I have to disagree with the reply above, you do NOT need to contact VMware Support, but should follow the guidance on the FAQ page.