private bool ValidateTokenValidityKey(Claim tokenValidityKeyClaim, UserIdentifier userIdentifier)
{
bool isValid;

        using (var unitOfWorkManager = IocManager.Instance.ResolveAsDisposable<IUnitOfWorkManager>())
        {
            using (var uow = unitOfWorkManager.Object.Begin())
            {
                using (unitOfWorkManager.Object.Current.SetTenantId(userIdentifier.TenantId))
                {
                    using (var userManager = IocManager.Instance.ResolveAsDisposable<UserManager>())
                    {
                        var userManagerObject = userManager.Object;
                        var user = userManagerObject.GetUser(userIdentifier);
                        isValid = AsyncHelper.RunSync(() => userManagerObject.IsTokenValidityKeyValidAsync(user, tokenValidityKeyClaim.Value));

                        uow.Complete();
                    }
                }
            }
        }