UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6AoH1qRFD14nxTx4gl0Oj/mHegEz3v1xEYiTCbw81FE=' 
WHERE 
  key_id = 'b4df161db8d3cc47bde5de499607af705b6ee6332eb3ad9536af7ce599794849' 
  AND (
    token = '6AoH1qRFD14nxTx4gl0Oj/mHegEz3v1xEYiTCbw81FE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )