Drummers often use very specific types of in-ear ear protection designed to alter but not eliminate noise. They're very different than standard ear plugs. You can get a good pair for like $10. Game changer. I bring them with me whenever I go to concerts or sports venues to minimize my overstimulation.
Additionally, if your friends want you there, you can go without the commitment of staying. Show up, be friendly, muscle through an hour, go home. If they're good friends, they'll recognize it's hard for you and appreciate you doing what you can to be present with them.