Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '2c70332ef8fa8d6b4dc22439a69b25a4e89b19fed9bb23865a126ad20e6a45e2' 
  AND token = '9LgzXvML4d4GShtLHOBlH6TOt0dGP84vXVgX/8FCnr0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00037

JSON explain

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