I also just have a problem with racist white millionaires serving me fried chicken on white bread. I'm whiter than white, but freak that noise.
if you are worried about this, go to the hood and get some crown fried chicken/kennedy fried chicken/ny fried chicken/church's chicken.
their sandwiches are really unhealthy, idk wtf they put in to make them as good as they are but they're pretty damn good, somewhat addicting to a point. and you'd be helping out a local owner
you'd just have to position yourself sideways in line so that you could easily talk to the cashier behind the bullet-proof glass as well as check what people are doing behind you in line. maybe lean one of your elbows against the counter before the glass, it'll make it look natural