Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'f02dabaed78289d3d84c00b33537585373d5134acb07fd26514db3171cf03d7d' 
  AND token = '0tcQzctQfNR06pd+1jCzpwk82VjH/9EJ5g1FxA3YQx8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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