Sandbox

SELECT 
  1 
FROM 
  vi_lock_keys 
WHERE 
  key_id = '181bc17eef6e4340822e5a77e05471237df8b48287c8563531c4fdf3bffb820c' 
  AND token = 'IxXTr/REbNXnhtp/22AV0Y8rTgJCW03XGan4SFOxFp4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00013

JSON explain

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