Sandbox

SELECT 
  1 
FROM 
  cscart_june_setuplock_keys 
WHERE 
  key_id = '38e82be921d62ee0db117b1c0fa71f711639c8a12d130075086d8d09e82ceb3e' 
  AND token = 'a43rjaiyi1WO0mbZAQ+/bdoT4IAbzt9jShZu/8Z9Lmw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00020

JSON explain

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