UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UbARjvlVUbx+03kUXYB1MeRkUuNRn6lJfIdANG6dv80=' 
WHERE 
  key_id = '4db8959b2f255bfd97b04968dc11684aaf3601952fb46470f2704119651e8814' 
  AND (
    token = 'UbARjvlVUbx+03kUXYB1MeRkUuNRn6lJfIdANG6dv80=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )