code: public void slexpire(final byte[] keyspace, final byte[] uid, final byte[] serviceCode, long expireMillis) {
          sendCommand(Command.S3LEXPIRE, keyspace, uid, RedisProtocol.toByteArray(expireMillis), serviceCode);
      }
docs: Slexpire.
  
  @param keyspace     the keyspace
  @param uid          the uid
  @param serviceCode  the service code
  @param expireMillis the expire millis