Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'edc72d65277e919293a2bf52762afffb108bd093b2f9707900e6d0a6a7486c7a' 
  AND token = 'vjJuv+b4aZhyX55p/LY2wskv4FU0NiF53EeUoXZA7fs=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00028

JSON explain

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