UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PkcK9byVvF24ypKhbR1nVxK49xWXNOlmtvXHuIpP64o=' 
WHERE 
  key_id = '755d7c43392061a6263daa57a781503f0d94b4addc3b68557399198d2257c5b5' 
  AND (
    token = 'PkcK9byVvF24ypKhbR1nVxK49xWXNOlmtvXHuIpP64o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )