Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'ecdf30745210dfde9696654c377a831249bbed287572682ec9c5d0248ac924b2' 
  AND token = 'w8z9vuHlDzfuxgYfP91nJ9XWF9bxc4YjYdwFouFd4Yg=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00014

JSON explain

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