UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mv9210quwWVCZRHaV74HUX22O47Ufg1TcDvc0cFtLYE=' 
WHERE 
  key_id = '838dd1e65ef10fb7473fc4d1587b58c4451edc9dfa235fc004204863616d2077' 
  AND (
    token = 'Mv9210quwWVCZRHaV74HUX22O47Ufg1TcDvc0cFtLYE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )