Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '3e43fb20b978ce96f4af05f6a7581679d3ef08e6356c7b55788349fca7d77fdb' 
  AND token = 'mKbnlZKlX0r4HfxLUAPig9vVJ2WKmrs7gdxaorJ5r8M=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00043

JSON explain

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