UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Lx4cX+XxhqZIqMAkjirL5VJzLNnssNxritcPEXicvwQ=' 
WHERE 
  key_id = '29303a3efdab0d429c8401f8ef89e8017a48a49e88151cc581a53b9740e5e34c' 
  AND (
    token = 'Lx4cX+XxhqZIqMAkjirL5VJzLNnssNxritcPEXicvwQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )