BEGIN
        SET @cont = 0;
        REPEAT
            SET @sqlstring = "UPDATE import2016 SET coluna4 = (SELECT coluna4 FROM import2016 AS a WHERE a.coluna2 ='' and a.coluna4 like'%/%' LIMIT ?,01) WHERE id = (SELECT id+7 FROM import2016 AS a WHERE a.coluna2 ='' and a.coluna4 like'%/%' LIMIT ?,01);";
            PREPARE stmt FROM @sqlstring ;
            EXECUTE stmt USING @cont,@cont;
            DEALLOCATE PREPARE stmt;
            SET @cont = @cont +1;
        UNTIL @cont = 256
        END REPEAT;
    END


/* Erro SQL (1093): You can't specify target table 'import2016' for update in FROM clause */