UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MHNXkUA1EpB+baEuGSeNYtZZbPl/wZxZjiN+aEHzdxI=' 
WHERE 
  key_id = '30e139bc01f13d29d4e3f2b483977715547e9e3b3c5565f6c191b83e88438371' 
  AND (
    token = 'MHNXkUA1EpB+baEuGSeNYtZZbPl/wZxZjiN+aEHzdxI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )