OAuth token is invalid a minute before it expiresIssue OAuth token (used to make an outbound call from ServiceNow to 3rd party end point) expires 60 seconds before the actual expiration time of the token.CauseThe default threshold for OAuth token expiration is 60 seconds.(the amount of time at which the system considers a token to be effectively expired. Default is one minute)ResolutionIf lower threshold is required ,for example 30 seconds, create a new system property and set it's value as below: Name: glide.rest.outbound.oauth_token_expired_threshold Type: integer Value: 30