Do old Driver's Licenses still scan? help please!?

I am going out to a concert that is 21+. I am 21 but lost my id, I have my old one from last year that I can use but they scan them at the door and they are very stingy about underage. Will my id scan as denied since it is old? or will it be ok? it is a real id like i said, just old. And it is not expired, just was not sure that since I have gotten a new one that if my old one would still scan. Im going tonight!! please help!!!!