UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'toAvbVTOSPL4VHh9QW1tO1TyfDoBkoKiL7XW8/7KpgE=' 
WHERE 
  key_id = '51b604bb15ef31b9a83eec65f91fde36e5b603015efdf0744fd7c7dda45af8b7' 
  AND (
    token = 'toAvbVTOSPL4VHh9QW1tO1TyfDoBkoKiL7XW8/7KpgE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )