Jason Isaacs was 51 in Justice League: Gods and Monsters when he played the character 'Lex Luthor (voice)'.
That was over 9 years ago in 2015.
Today he is 60, and has starred in 101 movies in total, 31 of those since Justice League: Gods and Monsters was released.
In Justice League: Gods and Monsters, I think Jason Isaacs looks: