InvalidTokenError: request timed out

I am getting “InvalidTokenError: request timed out” while validating toke. I have also tried increasing the “timeoutDuration” to 30sec. It worked for some time and again started throwing this error.

PS : I am using node library node-oauth2-jwt-bearer

auth({
  audience : 'sample-aud',
  issuerBaseURL: 'sample-url',
  timeoutDuration: 30000,
});