SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '01d3052701db150ef0ba7489f169b6d869bc78b1aab1fdac87d1a110103d291a' 
  AND token = '85fZCKt4jaoSd/kDRHgkIb+LaV9uAigs3Mjr1DrDZ8w=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00021

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