Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '72d63f95826ae9942ccae9367af48712bdfa535ea53f9190067b6b9e1f369ce3' 
  AND token = 'lfbgeecitnSocbqhZQcTJ7l4aWX3Oi8fr9CdHcw62QM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00054

JSON explain

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