Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '84920cc744063659be5b6139b86f0036dc61bcfabaf6f52f61142432c1784e8b' 
  AND token = 'cQKPK7cWPbhdr8VO8mvohQrv5H+qbERpZ/7X808UIPk=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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