Originally Posted by CKDGM

Renew it now.

Expiration is still 5 years from your next birthday, so whether you renew it 11 months and 25 days before it expires or 2 days before it expires, the new expiration date will be the same. The NEXUS processing time thread has more on the current times and is the best source for updates on those, but really, why wait and add stress? If you renew now you'll have plenty of time to schedule an interview and you might not even need one.