feefo meta fields
$meta_query = array( 'relation' => 'OR', array( 'key' => 'feefo_id', 'value' => '$feefo_id', 'compare' => '=', 'type' => 'CHAR', ), );
$meta_query = array( 'relation' => 'OR', array( 'key' => 'feefo_id', 'value' => '$feefo_id', 'compare' => '=', 'type' => 'CHAR', ), );