UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'G/3mDfB26kCsS0Kj54v5OlYpKoUre6PzfsakWve/lcI=' 
WHERE 
  key_id = '42d9c1b985a63a9fb946c1db37da0e20e764945bcf0b910468a9d369a098fcd3' 
  AND (
    token = 'G/3mDfB26kCsS0Kj54v5OlYpKoUre6PzfsakWve/lcI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )