UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PYtQjDt3d1OEp1809Pw7LJoeOyAGdSNSuXe//8KgoXE=' 
WHERE 
  key_id = 'd394170fd6da27ee3f9459237b3aa9873a38257be3cc293d792adde399e4578f' 
  AND (
    token = 'PYtQjDt3d1OEp1809Pw7LJoeOyAGdSNSuXe//8KgoXE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )