SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '36ba8a067ad9f87c092376f15f7ff39a05b6c4ee82d1355c086f1d34cb1e23fb' 
  AND token = 'fWO3ra0XzaF/hoEDkL3Q7cvBfVDtnoTD/q2Rwy9C3Kc=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00015

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