I'd say get the Apple Magic Keyboard, but our friends in Cupertino think that £149 is reasonable for a very average membrane keyboard in a fancy aluminium frock.

This seems like a more reasonable option:

https://www.amazon.com/Macally-Computer-Wired-Keyboard-Apple/dp/B07CV67HHJ/ref=sr_1_4?dchild=1&keywords=apple+usb+keyboard&qid=1615355545&sr=8-4