UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Dou9o69aFT7b5zq6axqYwwd3JPwMoioPfg8WS9gxhKs=' 
WHERE 
  key_id = '8c936e120bffdf25dfde67413175cfaf7cbf22d7329c1a81085d05c30328c14e' 
  AND (
    token = 'Dou9o69aFT7b5zq6axqYwwd3JPwMoioPfg8WS9gxhKs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )