UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7e4i7te/t8Vk+yNarJ76ZNMrRulcEp9ZrVnPVxw8Ugw=' 
WHERE 
  key_id = 'c44147491ce945251ec287e55a05eb7fd601f293da549b2c8075a45e6b4a6d6b' 
  AND (
    token = '7e4i7te/t8Vk+yNarJ76ZNMrRulcEp9ZrVnPVxw8Ugw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )