UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/xjoMQN3blDN+vKEJbLkFED0ZhUCK2YMT56WO4PxYUs=' 
WHERE 
  key_id = '76ee680023c7bd205592b617bfe496fdfb2d1ec78065fda7bd81074db1b6fdc1' 
  AND (
    token = '/xjoMQN3blDN+vKEJbLkFED0ZhUCK2YMT56WO4PxYUs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )