Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '7bf949b64db24301740a4a4b86c4b66a532504b1ac9753af8f7824b1c15d50f4' 
  AND token = '1v3qopzRds8rUSBdFUGgVOiZ/RdOXoQOTuXy0GSaNl0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00011

JSON explain

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