UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8FD1Cmeo9R2sCqvLY3xNsEXJHIM62GsGVfnkfZTksvQ=' 
WHERE 
  key_id = '921e0d20532f8980fb5159c075022ff3fc2784a0950e0e6e23be5f08b35872f9' 
  AND (
    token = '8FD1Cmeo9R2sCqvLY3xNsEXJHIM62GsGVfnkfZTksvQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )