Fix lock timeout bug

lib/cache.js

@@ -135,7 +135,7 @@ function redisLock(lockName, ttl, callback) {
     }
   }
 
-  redisClient.set(lockName, token, "NX", "PX", ttl, function(err, res) {
+  redisClient.set(lockName, token, "NX", "EX", ttl, function(err, res) {
     if (err || res)
       return callback(err, unlockOrExtend);
 

lib/local-cache.js

@@ -79,7 +79,7 @@ function refresh(callback) {
       return callback();
     }
 
-    cache.lock("presets_hash_lock", 3000, function(err, unlockOrExtend) {
+    cache.lock("presets_hash_lock", 3, function(err, unlockOrExtend) {
       if (err)
         return callback(err);