UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RvLFyrhPExppPhmzqYIudI2jazaFaPiWT1qpRHXjAzA=' 
WHERE 
  key_id = '6d8c1b94e9cfe671e35251550806861d86e5d8775781d44460013c5a91f34874' 
  AND (
    token = 'RvLFyrhPExppPhmzqYIudI2jazaFaPiWT1qpRHXjAzA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )