And if you spotted anything that says "for golds only" (there isn't anything but just in case), you can always show them your balance on the app and try charm.

I've been let into the CCR in JFK on the day that I technically qualified for CCR even though the TPs hadn't posted yet. A combination of existing balance, bps for the day and charm did the trick. I am rather charming though. And you should never expect that strategy to work.