This ^.
And make sure you're calling the right number and choosing the correct option;
Call 800-672-3888 select option 3
You'll need;
*Mine had lapsed but they facilitated a lifetime "upgrade" for me anyway... and it was still under a few minutes of call time.
- Sponsor's number
- Your credit card number
- Your own current NRA number if you have one*
Here is the # to call again and what they need.