Sandbox

SELECT 
  1 
FROM 
  cscart_june_setuplock_keys 
WHERE 
  key_id = '953dd2d46b0a8af633eddc7ba5e2fc35d79791d9842534161172b183ee7223c0' 
  AND token = 'h/Mv6dsyPcpp9dDOHvcSpwPgOXbwwaXKX5Uox7hmEQI=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00036

JSON explain

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