UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PaO51zSLSaXIDc52nXUir/7mZ4ob51TQsOr6cO+u2og=' 
WHERE 
  key_id = '6f4bf558415308decbfed16b09ebd0382de9bb16b12776c88d4f12ebb56cab8f' 
  AND (
    token = 'PaO51zSLSaXIDc52nXUir/7mZ4ob51TQsOr6cO+u2og=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )