Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'e72f11c0e0476850ded70d9297d2b421691c28228191947cbf8c6f93f01f83ee' 
  AND token = 'TkKjsiHwT6Fnyv6aM+u1DZBEybA+dQYAPOR4jWLN5n8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00047

JSON explain

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