SELECT 
  seo_index 
FROM 
  cscart_seo_indexes 
WHERE 
  status = 'A' 
  AND url = 'https://www.hobilife.com/index.php?currency=EUR&dispatch=discussion.view&thread_id=26'

Query time 0.00026

Explain
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE Impossible WHERE noticed after reading const tables