The Borderlands Official Twitter page has three new shift Codes for a variety of items (no golden keys):
Gift of Mayhem Echo Skin: W9WTT-FSFTZ-5WRZR-63BB3-WK6WT
Gift of Mayhem Juliet's Dazzle: WSW33-HSFJ9-CWRZF-6J3B3-JF6BF
Gift of Mayhem Echo Skin: KZC3B-33Z39-5CFSX-6BTJ3-RWFZF
