UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rb+b96E0y2agzrhbd9VFaJQ5trJY1xuKXLD7ZxiTpPM=' 
WHERE 
  key_id = 'c3ef1c1f7a684c8ed453ea58e07f7613657883e60b67faac4bfd0b12043e82cf' 
  AND (
    token = 'rb+b96E0y2agzrhbd9VFaJQ5trJY1xuKXLD7ZxiTpPM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )