Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '99a1f037ad1b85b48c549aa521f24e9eb57254c075e963c0c247918e637f7275' 
  AND token = 'RpPgwgFWMY2F4isKYeDQwgbbnwNf3nlCbt1FzLoE99M=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00028

JSON explain

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