Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'fbba773ef959742ffbd7083de072489205665e9cef76e512f12efebc9afae6ee' 
  AND token = 'QHx1syn12kSkNo5ydcuFWF22eHh0aYeFunFmJRpJAg4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00029

JSON explain

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