UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'e8qtq57OdbA6oMx2aFJwKv3ESjNqx4fizWjPA0nrcHM=' 
WHERE 
  key_id = '8350de2431856fae16e66be61be76dbe06b941161f9a6a415c48fea345c68e5c' 
  AND (
    token = 'e8qtq57OdbA6oMx2aFJwKv3ESjNqx4fizWjPA0nrcHM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )