Recover License for Highend theme

Hello!
I’ve purchased the HighEnd theme in 2014 and have enjoyed using ever since. I’ve purchased and installed this theme on other websites I’ve built for my clients. All Good!

My initial purchase was from MoJo marketplace, a copy of the relevant email is here:

[details removed for privacy reasons]

I need to update the license in WP and no longer have it available. Is there a way to retrieve this?

Thanks in advance!