UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mdscY1LIG4g0iv2vTDXm4sprdGE2aoy4JTSaGunA4Jo=' 
WHERE 
  key_id = '970ce6a189c936fc543f0de7218b209c53a3a29e4458459f687b77ba9ba86411' 
  AND (
    token = 'mdscY1LIG4g0iv2vTDXm4sprdGE2aoy4JTSaGunA4Jo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )