Function headless_lms_models::peer_review_queue_entries::get_entries_that_need_reviews_and_are_older_than_with_exercise_id

pub async fn get_entries_that_need_reviews_and_are_older_than_with_exercise_id(
    conn: &mut PgConnection,
    exercise_id: Uuid,
    timestamp: DateTime<Utc>
) -> ModelResult<Vec<PeerReviewQueueEntry>>