UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LkYz/Vt8lnfkV75DcPpyNkPCeHX5xTVEzkXDK8Fdtic=' 
WHERE 
  key_id = '642b3bd4e52b73b7333b0e2f91b1a9bf1014b86d3dff933bda439390f76726cc' 
  AND (
    token = 'LkYz/Vt8lnfkV75DcPpyNkPCeHX5xTVEzkXDK8Fdtic=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )