Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '658077bbc8c7392b0e92a46e80ab4cdca67833906ee0722f9012b3fa3f867944' 
  AND token = 'HlDX99wYUkM+5cagdSDlZ+bDftIxXLsnoWIbkKFXpTc=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00035

JSON explain

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