UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZKzzXGHYEAiCRYluom1pp5m3PZn4a8hYbkryhvPOT5w=' 
WHERE 
  key_id = '91271d6e0be75b4bafa033430527a6ee52423695a08cec6adb0a8f925b235519' 
  AND (
    token = 'ZKzzXGHYEAiCRYluom1pp5m3PZn4a8hYbkryhvPOT5w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )