Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'ae29b9e706d83821896ac3b3f960be555309462523971d88a0c08f1b9c9fe78f' 
  AND token = 'OW4yefE14RhMlIdb82LEVrFv4hS4TiYl6K9FMYAQ9uA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00013

JSON explain

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