Update the update statements with the updated_at and sent_at timestamps.

app/dao/notifications_dao.py

@@ -444,12 +444,13 @@ def is_delivery_slow_for_provider(
 @statsd(namespace="dao")
 @transactional
 def dao_update_notifications_sent_to_dvla(job_id, provider):
+    now = datetime.utcnow()
     updated_count = db.session.query(
         Notification).filter(Notification.job_id == job_id).update(
-        {'status': 'sending', "sent_by": provider})
+        {'status': 'sending', "sent_by": provider, "sent_at": now})
 
     db.session.query(
         NotificationHistory).filter(NotificationHistory.job_id == job_id).update(
-        {'status': 'sending', "sent_by": provider})
+        {'status': 'sending', "sent_by": provider, "sent_at": now, "updated_at": now})
 
     return updated_count

tests/app/dao/test_jobs_dao.py

@@ -363,3 +363,4 @@ def test_dao_update_job_status(sample_job):
     dao_update_job_status(sample_job.id, 'sent to dvla')
     updated_job = Job.query.get(sample_job.id)
     assert updated_job.job_status == 'sent to dvla'
+    assert updated_job.updated_at

tests/app/dao/test_notification_dao.py

@@ -1563,9 +1563,13 @@ def test_dao_update_notifications_sent_to_dvla(notify_db, notify_db_session, sam
     updated_notification = Notification.query.get(notification.id)
     assert updated_notification.status == 'sending'
     assert updated_notification.sent_by == 'some provider'
+    assert updated_notification.sent_at
+    assert updated_notification.updated_at
     history = NotificationHistory.query.get(notification.id)
     assert history.status == 'sending'
     assert history.sent_by == 'some provider'
+    assert history.sent_at
+    assert history.updated_at
 
 
 def test_dao_update_notifications_sent_to_dvla_does_update_history_if_test_key(
@@ -1580,4 +1584,6 @@ def test_dao_update_notifications_sent_to_dvla_does_update_history_if_test_key(
     updated_notification = Notification.query.get(notification.id)
     assert updated_notification.status == 'sending'
     assert updated_notification.sent_by == 'some provider'
+    assert updated_notification.sent_at
+    assert updated_notification.updated_at
     assert not NotificationHistory.query.get(notification.id)