Verses with the word prolongeth in the Old Testament (2 verses):

Proverbs 10:27
The fear of the LORD prolongeth days: but the years of the wicked shall be shortened.

Ecclesiastes 7:15
All things have I seen in the days of my vanity: there is a just man that perisheth in his righteousness, and there is a wicked man that prolongeth his life in his wickedness.