Sandbox

SELECT 
  1 
FROM 
  cscart_june_setuplock_keys 
WHERE 
  key_id = '1acf75680b8807f37330514e3aae7752451c71a88fc287b67dee21cef297237b' 
  AND token = 'X48uyzW4+jTaKx2Ucn8gzJs5namLXTJEtZQGka2dMfk=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00031

JSON explain

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