Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'd99aad419eb1d2fc8fce52afc9d9035188ed3a46102e51a5f96a23a670b98d19' 
  AND token = 'ID5lvKBhlYU4h9QKNMWySTp3va/roQ5RK9iZs3BMr+o=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00052

JSON explain

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