Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '5585a415bec58887ef72dbcbcd6b41e9859c5ac65e9fdc21d6279dfa1157b059' 
  AND token = 'kBZDX8IT6eyqxQLsc9+xbX/zFDmoQno7tqYAQeucO7M=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00017

JSON explain

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