Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '9f70a8f1e876eeb789e07bc3ddbdc1d569e5935df7fd37eee7483aa8f7626a71' 
  AND token = 'AYKaLxaaZn32gLw+HrOrDR5TPhdce1z0P+WFa+wxDTc=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}