UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'L7bdwbMSDgdstlOlyf+0+u9+EAXQcJg2169jdSlBeY4=' 
WHERE 
  key_id = '2e7d541efd6494c940d289d990b1bd4500b0efa738ccfd03100759de1762c642' 
  AND (
    token = 'L7bdwbMSDgdstlOlyf+0+u9+EAXQcJg2169jdSlBeY4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )