めも。
$conditions = array( $this->alias.'.col1' => 'value_1', $this->alias.'.col2' => 'value_2', 'OR' => array( array($this->alias.'.col3 LIKE' => '%value_3%'), array($this->alias.'.col3 LIKE' => '%value_4%'), ), 'AND' => array( 'OR' => array( array($this->alias.'.col4' => 'value5'), array($this->alias.'.col5' => 'value6') ) ) );