\documentclass[a4paper,11pt,halfparskip,headsepline,smallheadings,DIV=10,landscape]{scrartcl}
\usepackage{listings}
\lstset{basicstyle=\ttfamily\scriptsize,numbers=left,numberstyle=\tiny,breaklines=true, comment=[s]{\(}{\)}}

\begin{document}
\begin{lstlisting}
 Index Scan using id1 on r2 s  (cost=0.00..8.27 rows=1 width=4) (actual time=40.302..40.308 rows=1 loops=1)
   Index Cond: (unique1 = 8530)
\end{lstlisting}
\end{document}