diff --git a/src/database/migrations/1721200000000-AddSmsScenarioSettings.ts b/src/database/migrations/1721200000000-AddSmsScenarioSettings.ts
index 1a5aaa7..4b50216 100644
--- a/src/database/migrations/1721200000000-AddSmsScenarioSettings.ts
+++ b/src/database/migrations/1721200000000-AddSmsScenarioSettings.ts
@@ -6,6 +6,16 @@ import {
   TableIndex,
 } from 'typeorm';
 import { SMS_SCENARIOS } from '../../sms-settings/constants/sms-scenarios.constants';
+import { SmsScenarioKey } from '../../sms-settings/enums/sms-scenario-key.enum';
+
+/** Keys that exist on the enum created in this migration (later keys are seeded elsewhere). */
+const INITIAL_SCENARIO_KEYS = [
+  SmsScenarioKey.OTP_LOGIN,
+  SmsScenarioKey.RESERVE_CREATED,
+  SmsScenarioKey.RESERVE_REMINDER,
+  SmsScenarioKey.RESERVE_CONFIRMED,
+  SmsScenarioKey.RESERVE_CANCELLED,
+];
 
 export class AddSmsScenarioSettings1721200000000 implements MigrationInterface {
   name = 'AddSmsScenarioSettings1721200000000';
@@ -67,11 +77,17 @@ export class AddSmsScenarioSettings1721200000000 implements MigrationInterface {
       }),
     );
 
-    for (const scenario of SMS_SCENARIOS) {
+    for (const key of INITIAL_SCENARIO_KEYS) {
+      const scenario = SMS_SCENARIOS.find((item) => item.key === key);
+      if (!scenario) {
+        continue;
+      }
+
       await queryRunner.query(
         `
           INSERT INTO sms_scenario_settings (key, body, "isActive")
           VALUES ($1, $2, true)
+          ON CONFLICT (key) DO NOTHING
         `,
         [scenario.key, scenario.defaultBody],
       );
diff --git a/src/database/migrations/1721500000000-AddNotifications.ts b/src/database/migrations/1721500000000-AddNotifications.ts
index 6b2aace..40f0329 100644
--- a/src/database/migrations/1721500000000-AddNotifications.ts
+++ b/src/database/migrations/1721500000000-AddNotifications.ts
@@ -6,6 +6,17 @@ import {
   TableIndex,
 } from 'typeorm';
 import { NOTIFICATION_SCENARIOS } from '../../notifications/constants/notification-scenarios.constants';
+import { NotificationScenarioKey } from '../../notifications/enums/notification-scenario-key.enum';
+
+/** Keys that exist on the enum created in this migration (deposit key is seeded later). */
+const INITIAL_NOTIFICATION_KEYS = [
+  NotificationScenarioKey.RESERVE_CREATED,
+  NotificationScenarioKey.RESERVE_CONFIRMED,
+  NotificationScenarioKey.RESERVE_CANCELLED,
+  NotificationScenarioKey.RESERVE_REMINDER_SENT,
+  NotificationScenarioKey.CAMPAIGN_SENT,
+  NotificationScenarioKey.CAMPAIGN_FAILED,
+];
 
 export class AddNotifications1721500000000 implements MigrationInterface {
   name = 'AddNotifications1721500000000';
@@ -142,11 +153,17 @@ export class AddNotifications1721500000000 implements MigrationInterface {
       }),
     );
 
-    for (const scenario of NOTIFICATION_SCENARIOS) {
+    for (const key of INITIAL_NOTIFICATION_KEYS) {
+      const scenario = NOTIFICATION_SCENARIOS.find((item) => item.key === key);
+      if (!scenario) {
+        continue;
+      }
+
       await queryRunner.query(
         `
           INSERT INTO notification_scenario_settings (key, title, body, "isActive")
           VALUES ($1, $2, $3, true)
+          ON CONFLICT (key) DO NOTHING
         `,
         [scenario.key, scenario.defaultTitle, scenario.defaultBody],
       );