Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'f133dcfc3827b1e7846dce96c7d7af43bbe3242ffc1ed28d34efe6ea56ed7b53' 
  AND token = 'r/avYrSa5LL3jBM9j4dpWeEduWOu8Bj136iW81WFB7k=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00018

JSON explain

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