UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ewa8lz6SNbujVflxOClzI7ZmDzddt5slDYGaYMXu/rs=' 
WHERE 
  key_id = '1d77182b9f0ad58d2e6a21e0ef01ab6347d493d725a5e2064ab3f80ce492874a' 
  AND (
    token = 'Ewa8lz6SNbujVflxOClzI7ZmDzddt5slDYGaYMXu/rs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )