Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '84c366462e9a8ed7edac700a46169357f4ae41832507086e6de50a201df71bf6' 
  AND token = 'yUrWR5CydLjO2mfljxlt5Sw6i5zDLGlzq0cv2w5VCA4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00036

JSON explain

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