Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '59a1385ac79647331a623c45d6dcf0da01f5d49c9e344bc398b659f183665353' 
  AND token = 'Sw72MO6VmsZ5BuOxCd1jSj5I7ylh/7TIdBm6dqscufg=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00025

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}