UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '18a8MWSB50/+bmCGMAIhdKoRKiKFw7WAp7MSQZ4cvrk=' 
WHERE 
  key_id = '6fa466390cf6ad25fa397652e6cddbe4d206f77273ad0a2364f80d3a33961415' 
  AND (
    token = '18a8MWSB50/+bmCGMAIhdKoRKiKFw7WAp7MSQZ4cvrk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )