UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mNA1maIIrfYqY87h0eGLEh2qy/mmS+EKz52CXTa4G7Y=' 
WHERE 
  key_id = '0bf68c76a36213833a088620286650b785fa6cb35f34d54c9cf3b391f256e712' 
  AND (
    token = 'mNA1maIIrfYqY87h0eGLEh2qy/mmS+EKz52CXTa4G7Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )