SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '0b161911ff7e88cf8260c740fc7dd1c7352bcc596e8259e0a6ed733b72bf58d8' 
  AND token = 'A7wMnUwnnPezFeuNgT6+6gyT3pST46ZxZMrq2kF/7HE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00013

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