Cookie validity time

Hi,

I'm using Pay with a Like, and I've set it up so that users like a specific URL (i.e. facebook page). What happens if users already liked the page, and the cookie validity time has expired? Will they be able to like again, if they're already in the Liked list? Shouldn't they get the download link immediately even if the validity time has expired?

How will this work?

Thanks and regards,

Chris