UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PCtZXDnP59HHBwTRqPoSMzokD382tC+mCYAzIwSWWDk=' 
WHERE 
  key_id = 'a357bccefa943760e686cc2be4d4d830f293867033e7669ce822c122bca57a68' 
  AND (
    token = 'PCtZXDnP59HHBwTRqPoSMzokD382tC+mCYAzIwSWWDk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )