Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '2bee697c204c397324c0db839432cb5a4fcab8da4b7b8d7e1ff9ebfebf99ff0d' 
  AND token = 'c49LFCTVaZZcgmSKc2Dc5izj1jEFMUW3AiBbjpE4XT8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00026

JSON explain

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