UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'JMi5bvD1uPnsMBFVZuLqVwAbinQSURgN3tv1P3nm3DY=' 
WHERE 
  key_id = '2b896e3a257fbf5b88746ee9bb82416698f0d6426b2e820578a388c7758c53e6' 
  AND (
    token = 'JMi5bvD1uPnsMBFVZuLqVwAbinQSURgN3tv1P3nm3DY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )