What age are men too old too be toyboy's?

I have heard of toyboy's in their teens and 20's they are more common,But i never heard of toyboy's in their 30's 40's and even 50's do men stop being toyboy's in their 30's and become sugar daddies are toyboy's in their 30's 40's and 50's rare since men in their 30's 40's and 50's like younger women are their any men out there in their 30's 40's and 50's who like older women i am talking about mature toyboy's older toyboy's.

http://www.dailymail.co.uk/news/article-2642700/Till-death-113-year-old-woman-marries-70-year-old-tomboy.html
http://www.dailymail.co.uk/femail/article-3087375/He-said-d-better-propose-snaffles-90-year-old-great-grandmother-finally-marries-78-year-old-toyboy-34-YEARS-together.html