Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '6b710c1e7c533dd504574223000645eada83aedc8659b83bc76a123202128844' 
  AND token = 'Tmtxwo75ZDXv4a5ca2zY6xkf/Q4j6qxthQp+7+Ov7yo=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00019

JSON explain

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