diff --git a/src/api/controllers/userController.js b/src/api/controllers/userController.js
index abe4330..9ecef4f 100644
--- a/src/api/controllers/userController.js
+++ b/src/api/controllers/userController.js
@@ -56,7 +56,7 @@ async function exchangeZohoToken(req, res) {
     const { access_token, refresh_token, expires_in } = data;
 
     const expiresAt = expires_in ? new Date(Date.now() + expires_in * 1000) : null;
-    await userAuthTokenRepo.createToken({
+    await userAuthTokenRepo.upsertToken({
       userId: id,
       serviceName: service_name,
       accessToken: encrypt(access_token),
diff --git a/src/data/repositories/userAuthTokenRepository.js b/src/data/repositories/userAuthTokenRepository.js
index 191edb9..a709e2e 100644
--- a/src/data/repositories/userAuthTokenRepository.js
+++ b/src/data/repositories/userAuthTokenRepository.js
@@ -8,6 +8,18 @@ async function findByUserAndService(userId, serviceName) {
   return UserAuthToken.findOne({ where: { userId, serviceName } });
 }
 
-module.exports = { createToken, findByUserAndService };
+async function upsertToken(payload) {
+  const { userId, serviceName } = payload;
+  const [token, created] = await UserAuthToken.findOrCreate({
+    where: { userId, serviceName },
+    defaults: payload
+  });
+  if (!created) {
+    await token.update(payload);
+  }
+  return token;
+}
+
+module.exports = { createToken, findByUserAndService, upsertToken };