Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '352d2af7190cff920c033a3ddde567f3ff3eda95424e8188989e2bf540e9fdab' 
  AND token = 'Yxv+MffEEBjfa4CDf/aoRgRxxezd2Onr7t9Hr4OdYsY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

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