UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YwywsdpUNfmzlfVDrAqP/mgovTGt9ChjByKZ3PIrdBw=' 
WHERE 
  key_id = '21dbcf3c3155d652de595867d20d4b53982d09d435126797670c26f7955e46a0' 
  AND (
    token = 'YwywsdpUNfmzlfVDrAqP/mgovTGt9ChjByKZ3PIrdBw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )