diff --git a/lib/methods/get-auth.js b/lib/methods/get-auth.js
index 88e1e9a..84fad7d 100644
--- a/lib/methods/get-auth.js
+++ b/lib/methods/get-auth.js
@@ -51,7 +51,7 @@ const getAuth = ({ dbFilename, db, table }) => {
         }
         query.get()
           .then(row => {
-            if (row.empty || (row.store_id !== storeId)) {
+            if (row.empty || (row.docs[0].data().store_id !== storeId)) {
               handleRejectPromise(reject)
             } else {
               handleResolvePromise(resolve, row.docs[0].data())
diff --git a/lib/services/update-tokens.js b/lib/services/update-tokens.js
index b037fd7..542c2a0 100644
--- a/lib/services/update-tokens.js
+++ b/lib/services/update-tokens.js
@@ -43,18 +43,20 @@ const updateTokens = (client) => {
         values.map(item => {
           rows = rows.concat(item.docs)
         })
+        if (rows && rows.length > 0) {
+          rows.map(row => {
+            handleRefreshToken(row.data())
+          })
+        }
       })
-      if (rows && rows.length > 0) {
-        rows.map(row => {
-          handleRefreshToken(row.data())
-        })
-      }
     }
   }
 
-  // run task with 1 hour interval
-  const hour = 60 * 60 * 1000
-  setInterval(task, hour)
+  // if database engine is sqlite, run task with 1 hour interval
+  if (dbFilename) {
+    const hour = 60 * 60 * 1000
+    setInterval(task, hour)
+  }
   task()
 }