Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'bfb4096824d6a44efda5c52ad6145478f71709e06f9827ad3f79218046912d72' 
  AND token = 'LdsxNtKaEhUlD5NwEYNhI0VnPG0a7XNO6/nZBdXxVFE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00015

JSON explain

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