code: public synchronized @Nonnull SingleTokenStats updateUsageForId(@Nonnull String tokenUuid) {
          if(areStatsDisabled()){
              return new SingleTokenStats(tokenUuid);
          }
          
          SingleTokenStats stats = findById(tokenUuid)
                  .orElseGet(() -> {
                      SingleTokenStats result = new SingleTokenStats(tokenUuid);
                      tokenStats.add(result);
                      return result;
                  });
          
          stats.notifyUse();
          save();
          
          return stats;
      }
docs: Will trigger the save