You can set the value of revocable-expiry-threshold with the below steps:

ARTIFACTORY: How to resolve http 400 error when revoking identity/Access token

AuthorFullName__c
Pranav Hegde
articleNumber
000005438
ft:sourceType
Salesforce
FirstPublishedDate
2022-10-20T11:53:30Z
lastModifiedDate
2022-10-20
VersionNumber
3
1. Edit /opt/jfrog/artifactory/var/etc/access/access.config.latest.yml
2. Update the value for "revocable-expiry-threshold", save, and exit.
E.g: The value is in seconds.
token:
  revocation:
         revocable-expiry-threshold: 21600 

3. Rename access.config.latest.yml to access.config.import.yml. Artifactory will use this file to update configurations on reboot.
4. Restart Artifactory for the new configuration to take effect.
5. Try revoking a token.