UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'x8YG0BQYhOS6/6jurjw7bASVi9bSRoeDkpoorK36+CI=' 
WHERE 
  key_id = '21fa79087ae3de664e48366a57793c0a9a176a65ba360127f5b388b447c69fac' 
  AND (
    token = 'x8YG0BQYhOS6/6jurjw7bASVi9bSRoeDkpoorK36+CI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )