Go for it!

Don't use any of it for once-in-a-lifetime events or anything, but shooting expired film can be fun.

I've shot lots of expired film and my results have mostly been good. B&W is generally more reliable and I usually overexpose it by half-a-stop per decade of expiry. Colour negative film can be a bit more fussy and the tones can shift, but I've had mostly good results (again overexposing, but this time by a stop per decade when I don't know how it's been stored).

I've also been quite lucky with my results with old slide film, although I shoot that at box speed.

If you're interested, here are some posts I've made about an occasional series of expired film shoots:

https://steelcitysnapper.wordpress.com/2022/05/14/expiriment-1-ilford-hp5-expired-1982/

https://steelcitysnapper.wordpress.com/2022/06/19/expiriment-2-kodacolor-vr-400-expired-1989/

https://steelcitysnapper.wordpress.com/2022/11/12/expiriment-3-truprint-fg-expired-2003/