UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xElNb9+yCMou9C9fvEvIN+3qrEM0O4KEiDdZD/ISPX8=' 
WHERE 
  key_id = '852502d7be3a85d487c9c692dd2b512ef7daf58fc594b9cb998d2850358f799b' 
  AND (
    token = 'xElNb9+yCMou9C9fvEvIN+3qrEM0O4KEiDdZD/ISPX8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )