I think the lyrics i can make out are young at heart, your/all my life, young at heart.
Nivea For Men 24hr Deodorant Active Men , ad, advert | visit4info | TV/Cinema | 1

that's the link to the advert which is getting aired now in the uk (nivea). Don't click on the image of the man with cards, but the links under "select version to play". Many thanks if anyone can identify this song.