UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'g3rKy40VM8oEpvhpu0a2M6ZfxOfn6IOOOI1EIpkhjbA=' 
WHERE 
  key_id = '391f64589e1f4d2e48771f2b41230fd1524b3e18af0f02097087b22ab63cb01e' 
  AND (
    token = 'g3rKy40VM8oEpvhpu0a2M6ZfxOfn6IOOOI1EIpkhjbA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )