Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '7365a8494d4a153adcb9d6c060fa95f3b563fd3ec8a52600c489308233469a2d' 
  AND token = 'TRS07V1T3KzNB9nJcqooUrxiCN+zERM+kqtWcTpXYgs=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00038

JSON explain

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