Sandbox

SELECT 
  1 
FROM 
  vi_lock_keys 
WHERE 
  key_id = 'c33595ffab1a77a175389f249b1c3f83a8771c5be371f57a44eba838cd55b7f3' 
  AND token = 'V+DrWrx+38qJU9aQyw0Lq6P5/QN3XUlA+7eiKNFJjig=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00008

JSON explain

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