UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0wKfVoAZnHHuekAykOBYKxtaCqWUaJWysveV50BInpI=' 
WHERE 
  key_id = '18b0dbfd6a2ff669d9b8b9643c58a143b5ff10400118d7967c2bf0030fd5f766' 
  AND (
    token = '0wKfVoAZnHHuekAykOBYKxtaCqWUaJWysveV50BInpI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )