refactoring

redisson/src/main/java/org/redisson/RedissonLock.java

@@ -197,12 +197,8 @@ public class RedissonLock extends RedissonBaseLock {
 
     <T> RFuture<T> tryLockInnerAsync(long waitTime, long leaseTime, TimeUnit unit, long threadId, RedisStrictCommand<T> command) {
         return evalWriteAsync(getRawName(), LongCodec.INSTANCE, command,
-                "if (redis.call('exists', KEYS[1]) == 0) then " +
-                        "redis.call('hincrby', KEYS[1], ARGV[2], 1); " +
-                        "redis.call('pexpire', KEYS[1], ARGV[1]); " +
-                        "return nil; " +
-                        "end; " +
-                        "if (redis.call('hexists', KEYS[1], ARGV[2]) == 1) then " +
+                "if ((redis.call('exists', KEYS[1]) == 0) " +
+                            "or (redis.call('hexists', KEYS[1], ARGV[2]) == 1)) then " +
                         "redis.call('hincrby', KEYS[1], ARGV[2], 1); " +
                         "redis.call('pexpire', KEYS[1], ARGV[1]); " +
                         "return nil; " +