Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'e60bed72ab4613fb3cebfdfa2e0625424de693d50c20f17ca426a7752f7e0b06' 
  AND token = 'HkCKbCFIf8vuvF8b7kxYQlGZeXlKJDd7tI+axPxvMSo=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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