refactor if statement - Query [closed]

My boss keeps asking me to refactor the below code. But How?????
First thought is to declare "query" outside the if statement.
But how will I do that as my ".query" and ".eq" have different indices.

if (input.targetId && !input.userId) {
      // with target id and no user id
      let query = this.model
        .query('appTargetId')
        .eq(appTargetId)
        .where('createDate')
        .ge(fromDate)
        .where('status')
        .not()
        .eq(NotificationStatus.Delete);
      /* istanbul ignore next */
      if (input.subApplicationId) {
        query = query.filter('subApplicationId').eq(input.subApplicationId);
      }
      return query.exec();
    } else if (input.userId && !input.targetId) {
      // with user id and no target id
      return this.model
        .query('appUserId')
        .eq(appUserId)
        .where('createDate')
        .ge(fromDate)
        .where('status')
        .not()
        .eq(NotificationStatus.Delete)
        .exec();
    } else {
      // user id + target id
      return this.model
        .query('appUserTargetId')
        .eq(appUserTargetId)
        .where('createDate')
        .ge(fromDate)
        .where('status')
        .not()
        .eq(NotificationStatus.Delete)
        .exec();
    }