Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '80ceb79366ac4556b37fdc9567fbd3010eeb6f32587ce91a481e4149add8236d' 
  AND token = 'TlvYywXCMA7iAJNanQQu2yOUHK7bj95qdrFeKcaHYNM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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