Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'beaf150d71e16ad8b24fca079a49e1acbbb413c7c47002b53c12b910c01535b7' 
  AND token = 'qe6AyJy8QwxHPrQVz5pVtx7u9ZjVbZhWfGpHug7/RLk=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00026

JSON explain

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