Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'ee1196bdeb9d6e8cf68cef3e24ad47660fccc6e4a8235d030fac983133d98c20' 
  AND token = 'bQhW8x7eTaOwlqqnZyAsD8ptkwCESnaDzD0v8a6vG24=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00026

JSON explain

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