UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6wkLxA48m86JQ0knGSfv30kXOxcsJ1ZcQD1H55F1sEE=' 
WHERE 
  key_id = '4f5e66688caacf1d867d027805aac445f7c76d5027f9b91bf8a413340c7a6be4' 
  AND (
    token = '6wkLxA48m86JQ0knGSfv30kXOxcsJ1ZcQD1H55F1sEE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )