UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r0dHORa/Wkg59d6tkcBu3mj/E7KC3SmdOTbBsR9cWY0=' 
WHERE 
  key_id = '6440faa4af4d7f75dac4f4ad4cd82e4db620f13493ac2c7375636c93d351b083' 
  AND (
    token = 'r0dHORa/Wkg59d6tkcBu3mj/E7KC3SmdOTbBsR9cWY0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )