UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4zWqcSK5hWVOJu9U/BbJCo7aA/tocJaY6XIkrxK3KHY=' 
WHERE 
  key_id = 'b2a120c9a56517d5bac4cc395e706316175c14171c3e465c26f36339be060eef' 
  AND (
    token = '4zWqcSK5hWVOJu9U/BbJCo7aA/tocJaY6XIkrxK3KHY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )