Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '8d8ff8796a706eed5e545faab1f17d79e8400c182d14d80c7c49fa7913a58edf' 
  AND token = 'sHfwdLednT50RUaFeRwKJIUFrO0hbOccJ5JdRqoFwZk=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00025

JSON explain

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