The first time I ever went to a gay club I was alone. I had just moved into a new city (where I live now) and wanted to meet new people so I did my research and came across this club that wasn't far away from where I lived at the time so I worked up the courage ( I'm very shut-in

) and went all by myself.
At first it was pretty awkward, everyone was in groups and I was just there sitting by the bar having a drink but then a guy ( who is now a close friend of mine) approached me and we started talking. After a long ass conversation he introduced me to his friends and up until now I talk/ go out with them.
If you are an outgoing person you will have a great time since you won't hesitate to come up to people and talk to them. When you are with your friends you are much less likely to meet other guys unless you simply want to hook up with them.
If I was you I'd give it a shot, it's not like you are risking anything. If you feel uncomfortable or bored you simply leave and that's it.