Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '2d0a9aa8a151bf053324974d75ec39b3c116120d413853c254a68fe99421ae45' 
  AND token = 'ivAaxHMBDjcAtxJTQO7e6lnXlg0Q5V/5wpz7V6q7RLU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00017

JSON explain

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