Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '659870a40d3610494845566cd576559339534cac8c7adf2960edcb3554e4ed38' 
  AND token = '/CeyC+baZVt0UzLcoVWF2DH1/m0G0lUUQBaBgVokxqQ=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00032

JSON explain

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