UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pamzgwLj7CZVRMuzZGjgbMeRxvcrlObAhpwZkTdeenA=' 
WHERE 
  key_id = '50e98773ff0eb5acff9d1882ee9065866b7c0f28ac6f903be1a27463f75a4207' 
  AND (
    token = 'pamzgwLj7CZVRMuzZGjgbMeRxvcrlObAhpwZkTdeenA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )