fix expires value a little more efficiently
fix expires value a little more efficiently

kiwiroy/mojo,kraih/mojo,kak-tus/mojo,jenalgit/mojo,kberov/mojo,s1037989/mojo,dotandimet/mojo,andrewsolomon/mojo,vlet/mojo,CandyAngel/mojo,dolmen/p5-Mojolicious,melezhik/mojo,Grinnz/mojo,marcusramberg/mojo,zoffixznet/mojo,chenri/mojo,augensalat/mojo,s1037989/mojo,jamadam/mojo,zoffixznet/mojo,jenalgit/mojo,melezhik/mojo,polettix/mojo,scottw/mojo,lindleyw/mojo,andrewsolomon/mojo,vlet/mojo