Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '883e95c77715afbe8b19851050b9a9b6051d229218631187eae96104956b6052' 
  AND token = 'Apk2o4z8BboYu/YeTftJX9FHchcdb4yiQmZKu5jZ7+4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00044

JSON explain

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