My recommendation for now, so you don't re-enrich the same lead again and can keep the workflow automated, use the Lookup Record integration to find any matches in the same table and then condition subsequent columns to only run if there's no match.Here's a video on how lookup works (you can make it search inside the same table)- https://www.loom.com/share/72f4e67e20424ba7a784ca9a5056f1a9?sid=0194f8b1-d773-4aaf-a40b-dbb34c279656