Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '265b0777393c786cd73211030460a8b0aa3e39b34b41025fc282585d3f62f3f6' 
  AND token = 'J5le1P8z2xDpcKa2VAG8+AwbKUZAJeJqtKfsTJHbOyk=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00019

JSON explain

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