Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '2f7bf69d9aed7f41dbb7be1259c205a5f731ea7a0a5fc317da5689767b662a5c' 
  AND token = 'OjYF8hQe2P0a6jLsWcUQ+5HxuUMVCBtIqdzAbXElmAE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00015

JSON explain

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