Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'a09b3440ace09bbab8cfd29038dad01a8e9f7ea64b595150e43b4b125636d04e' 
  AND token = 'qrJKoCKSMxi2MHy9Kjk4PDxJOBcrC5XifbV16Y0oCHo=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00038

JSON explain

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