It’s not like there are people checking for immortals, I think it would be flagged by a dmv employee or something when they dont believe a clear 21 year old is actually 150. Let’s assume it’s current day im caught and not bring speculation on what the US is like in the year 2139 is like.
we’re already almost at the point where biometric tech will make all that irrelevant, especially facial recognition. to really fly under the radar in the future you’re gonna need to hack security systems and erase your data every so often.