Sandbox

SELECT 
  1 
FROM 
  vi_lock_keys 
WHERE 
  key_id = 'a01704361d6357bc13cbe53f85614ca8fcc6796e18b36498910134e83a8e8238' 
  AND token = 'YF1HEWGkx0G7nlVRXnQ1f3NZllXox4GEEO4yjVBTVOI=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00010

JSON explain

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