UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xG8AYTlZ9Zt0Wl5UnJq7J4mQxkMB2+fJn7waSgVqAjw=' 
WHERE 
  key_id = 'f77c9116183bcf500a93807208c7f5022f705064f47c14303c940643de6da3bd' 
  AND (
    token = 'xG8AYTlZ9Zt0Wl5UnJq7J4mQxkMB2+fJn7waSgVqAjw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00021