update refreshed time on token generation

src/services/NotificationService.ts

@@ -38,15 +38,17 @@ export class NotificationService {
       "kid": keyId,
     };
 
+    const now = Date.now();
     const claimsPayload = {
       "iss": teamId,
-      "iat": Date.now(),
+      "iat": now,
     };
 
     this.token = jwt.sign(claimsPayload, privateKey, {
       algorithm: "ES256",
       header: tokenHeader
     });
+    this._lastRefreshedTimeMs = now;
   }
 
   private lastReloadedTimeForAPNsIsTooRecent() {