UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4wykehp5mfpWCBm7S5NzqyyaSy3XrolWtSwaqMHzmLU=' 
WHERE 
  key_id = '4b7795df5fe89b36e7be8849500494388a5fcfb642ca3e6fdf1be298dbdb7953' 
  AND (
    token = '4wykehp5mfpWCBm7S5NzqyyaSy3XrolWtSwaqMHzmLU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )