Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '161a58e912d6ce7c315fc33b7a7e6cbd030c058ddd097ffb0d9c1cf275c1537d' 
  AND token = 'XUGLgCEC07q+DOlpxJFTct2P+mjw+k/puvvr7Q6izTI=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00020

JSON explain

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