SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '0daf457bee35d8d9893647c8b7585f4aadce52d09ff580765362557a302bc672' 
  AND token = 'icmcY7p61IQ+y8B+DVZEBSUfFqBKcyZ4E4R8ICVWEwo=' 
  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