Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '1b6cf392b405ca660a6fcc37a957ab4c4990e67106e8736279e88dec6ffb77c3' 
  AND token = 'FPYYDgNJM4MdWHGI08cG1P1vBWu4tdJ/5u1SNFB44CA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00034

JSON explain

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