Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '233428079b0c91686c11d6278434da7ce38804dfa0ad1219adf786245851135e' 
  AND token = 'Cgox5+LQqYcXSMAthKaduRUiLXlCj2ykSt9tB2g7+NY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00017

JSON explain

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