Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '35f326efea9a3e1d61e9509223262cb4138282a8bab7b8fea216677c51dde622' 
  AND token = 'Zx50pjDXJ1VMoO1yC9I7QzqBacOTKgjzM3nqQdJpCFM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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