SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'bc35aeb9688b64bbc52c32d5b90d208efa2cb8d6b8e0505184e723e63f8a907f' 
  AND token = 'osOLGO/1/QQN2OP1TBkuHFA5ZDl/N+Ex+71FH9hDwGc=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00032

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