UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wnotX9u9DzE/1WwsdkLmOc3vMe8BCZ1bA7JNPoLibLc=' 
WHERE 
  key_id = '270afaa21e70e64485ef41c1682c86a8a507b7d35c41a768c2f4953521dfa364' 
  AND (
    token = 'wnotX9u9DzE/1WwsdkLmOc3vMe8BCZ1bA7JNPoLibLc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )