Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '79a4390b2ef5aa5bc9c8d9a330417b889e797daba7c5a573d07ad8d7c7913e8e' 
  AND token = '8ZLJsEjk6M4Raz3AXkWDW6D8v+6zULr/wmFH3yNljPE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00039

JSON explain

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