Sandbox

SELECT 
  1 
FROM 
  tmall_lock_keys 
WHERE 
  key_id = '1706177110f95a9bdbe759a49aea6cefb1a2fb90c8251d07b0a695d62f730042' 
  AND token = 'SFm8GW7zdj+vhwbwCxBcnRH4APrL6VbIZ+51uDsAZZA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.01106

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "message": "Impossible WHERE noticed after reading const tables"
    }
  }
}