You have several options to make changes to an existing Profiles API Token:
If you have migrated to the new and improved version of Audience Studio, you will find all Profile API tokens in the Migrated Web Access Token folder. 
- Open TD Console.
- Navigate to Audience Studio and select a segment.
- Select a folder.
- Select a Profiles API token (prefaced with a key icon).
- Select Edit Profiles API token.
- Make changes to Configure and/or Segments and then select Save.
- Open TD Console.
- Navigate to Audience Studio and select a segment.
- Select a folder.
- Select a Profiles API token (prefaced with a key icon).
- Select Move.
- Select a different destination folder and then select Move.
- Open TD Console.
- Navigate to Audience Studio and select a segment.
- Select a folder.
- Select a Profiles API token (prefaced with a key icon).
- Select Duplicate.
- Rename the Profiles API token and optionally enter a description. Select Duplicate.
- Open TD Console.
- Navigate to Audience Studio and select a segment.
- Select a folder.
- Select a Profiles API token (prefaced with a key icon).
- Select Delete.
- Review the consequences of deleting the Profiles API Token.

- Select Delete.