Is Valid Token or Not

According to this : Swagger UI (

I have the “expires_in” property of token.
And I need method to check if the token is valid or not , is it available ?

Note: currently we will delete the expired tokens from database using

Thanks in advance,

Why won’t you use any existing read-only or informational REST API method?
E.g. /userInfo:!/UserInfo/get_userInfo

If it returns 403, then current token is expired.