UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rfGOqmWUCpGLkDza6k3P/7IIAvFybVZZEuC8guWByk0=' 
WHERE 
  key_id = '1c91e301713e91402c186a8ad4a51f4b7324d095ebd7cd3a6f5096544c1dcc0d' 
  AND (
    token = 'rfGOqmWUCpGLkDza6k3P/7IIAvFybVZZEuC8guWByk0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )