I wasn't worried about the action scenes, but the Peter Parker Scenes. Spiderman Noir still has those. And he is still portrayed as being 20's. Aunt May, Mary Jane, etc are part of the story
A 40 year old in that role I'd chalk up to typical Hollywood weirdness. But a 60 year old? Seems off.
It'd going to be as off kilter as Liam Neison playing Philip Marlowe at 75 while Bogart played him in his 30s