UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4B6gPpzL38lR8LonhLw5ALcroKM2hNdlQuwSiOim0O4=' 
WHERE 
  key_id = '4e55c56abaf04f7b4d5c08851dd24f04e43b760898c037d87d8169e0ee161912' 
  AND (
    token = '4B6gPpzL38lR8LonhLw5ALcroKM2hNdlQuwSiOim0O4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )