Эквивалент мультиудаления на PostgreSQL

DELETE a, b FROM wp_options a, wp_options b 
WHERE
a.option_name LIKE '\_transient\_%' AND
a.option_name NOT LIKE '\_transient\_timeout\_%' 
AND
b.option_name = CONCAT( '_transient_timeout_', SUBSTRING( a.option_name, 12 ) )
AND b.option_value < 1404829282;

AND b.option_value::INTEGER < 1404829282

SELECT * FROM wp_options a, wp_options b 
WHERE
a.option_name LIKE '\_transient\_%' AND
a.option_name NOT LIKE '\_transient\_timeout\_%' 
AND
b.option_name = CONCAT( '_transient_timeout_', SUBSTRING( a.option_name, 12 ) )
-- AND b.option_value < 1404829282;

BEGIN;
DELETE FROM table1;
DELETE FROM table2;
COMMIT;

AND b.option_value ~ '^[0-9]+$' AND b.option_value::INT < 1404829282

SELECT a.option_id, b.option_id FROM wp_options a, wp_options b WHERE         a.option_name LIKE '\_transient\_%' AND
a.option_name NOT LIKE '\_transient\_timeout\_%'
AND b.option_name = CONCAT('_transient_timeout_', SUBSTRING(a.option_name, 12))          
AND (b.option_value ~ '^[0-9]+$') AND b.option_value::INTEGER < 1404837916;

SELECT UNNEST(ARRAY[filed1, field2])
...