UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8rr1w5IoyHBLDrPBsq8Xb93UsKmhdnYHy3GSM2/kUig=' 
WHERE 
  key_id = '2971542d3390f433cf1432be3165f8e4c376d35053b6044f0caab86a95b2373f' 
  AND (
    token = '8rr1w5IoyHBLDrPBsq8Xb93UsKmhdnYHy3GSM2/kUig=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )