Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '92ed589444b5a8d5c1261b164b8ec74fcd3cb789ddb6f44dd942a9bd5211bcf4' 
  AND token = 'xAZVyzdOE5CrzAmJMouXqeFp5Gh/L8aHAhCg2l96XlU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00150

JSON explain

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