The 60 EUR price limit may be your limiting factor. Everything else can be covered by the GL.iNet devices available on Amazon. I've got a couple of the older 'n' travel models, and they work pretty great. I flashed vanilla OpenWRT over top of their customized one, but the original OpenWRT-based software works fine too.
https://www.amazon.com/s?k=GL.iNET
I usually separate my router functions from my AP to make finding hardware easier, so I'm not well versed in router+AP combos these days, but those seem to be well-reviewed and my experience with an older model is also good.