UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dmNbIhRzTSbWuOm1RxlGWPX7d8ayVk7axtSeK/oIFvs=' 
WHERE 
  key_id = '2755fdc1a4432ae1022ed75c40aac7739f87b3f273c89f8f2cd0f873549c7ee7' 
  AND (
    token = 'dmNbIhRzTSbWuOm1RxlGWPX7d8ayVk7axtSeK/oIFvs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )