Sandbox

SELECT 
  1 
FROM 
  q_lock_keys 
WHERE 
  key_id = '57e0a1a6dace48536d75ce1f9a44356c2e17cf70098687b0a732b7f1b4ce3dad' 
  AND token = 'tmyz4ECY6joeQsUN+pXLJM62js49W11ZwcV7kM5xF5M=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00031

JSON explain

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