Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '04931e3c8cef4e41a8e5b13c6170d55e02292764078ff6bc588d2eabc73173dd' 
  AND token = 'zoNXPC8mOj0JR4reO2qRlLOISCpRqoirtSer/duM+SQ=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00029

JSON explain

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