UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QLj1bDsGgX3qqUi4PKJt6nwB77iGvMZCwgplVVOpbTM=' 
WHERE 
  key_id = '0a171cf15bed61bc7ed3e29db984c4c75995977cb81f560c5c27f67079b1b68d' 
  AND (
    token = 'QLj1bDsGgX3qqUi4PKJt6nwB77iGvMZCwgplVVOpbTM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )