UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iEiIqplX22mPGoCUMiWl1We+5CZQiDtBoBoFnj7Q4qI=' 
WHERE 
  key_id = '81dc1e54f1c76f3260855037655729e9db36367ce047e70641559f3cf85a5371' 
  AND (
    token = 'iEiIqplX22mPGoCUMiWl1We+5CZQiDtBoBoFnj7Q4qI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )