The Oral Law and the Two Versions of Ten Commandments

What is the relationship between the Ten Commandments in Shmot and the Ten Commandments in Devarim? Were both delivered at Sinai? Were both written in the Luhot HaBrit? The Ten Commandments in Devarim might represent Moshe’s interpretation - a human perspective, or Torah She’Be’al Peh regarding the Ten Commandments in Shmot.