ॐ मृत्युंजयमहादेव त्राहि मां शरणागतम्।
जन्ममृत्युजरापीडितं कर्मबंधनैः॥
This is a literal word to word translation:
OM O Lord Mahadew, the one who has conquered death,
Protect me who has suffered birth, death & old age due to the bonds of actions(I did in my life) & has surrendered(to you).