Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '1d4fdb7f9cae9debb9658e18fe815f16bb1dcc15c227fed98cbe2399053b3d70' 
  AND token = '46MJE2tetd9AS0VhNQnERS+E1wPdwEN98VKUupEwpNU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00044

JSON explain

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