UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GzWbIzJhW4opiD3a6puOwy0awFz9B9D67fx7Zn51NQM=' 
WHERE 
  key_id = 'a28dbb3b71b4f411c87962cc8f92982e868fa9ee17df2ae05c78b4db7609d94b' 
  AND (
    token = 'GzWbIzJhW4opiD3a6puOwy0awFz9B9D67fx7Zn51NQM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )