UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0Z/V59PghTwk7DAIaT6tm1FwkdW798SSYxhwRUn2UGc=' 
WHERE 
  key_id = '28efa969592c8b3d3b845d60d40572db1f96f2398a5b03e8eaa71d2b26663074' 
  AND (
    token = '0Z/V59PghTwk7DAIaT6tm1FwkdW798SSYxhwRUn2UGc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )