Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '23cb9f7ad3a93836d4dcc1a362c8591ba63fbdb579ba7988badb3c2c93e9eede' 
  AND token = 'iYRyKC7QNxzcFp6hAckaX0rcEavNr7/voAyX6wU5st4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00033

JSON explain

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