SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '226fd85a64fa0173d368d385adc64b5db96697b00d266d4cf193277b212f7817' 
  AND token = '74Zz9arJlKa/NhJCzclOIZzb0YcxLNOR5KFIGo4NB1U=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

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