UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0+HSy3t6a4aoNhsFG4/+GAZv66q9pq/cgdYY34r16is=' 
WHERE 
  key_id = 'd21837d54a128dbd778e4f234f2d5c419f3e4acb477b9790eac76d8cd391e225' 
  AND (
    token = '0+HSy3t6a4aoNhsFG4/+GAZv66q9pq/cgdYY34r16is=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )