UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6nm7pQqESnRICOvkk8qlcQalZp6fLnj9daDxF9hGk9M=' 
WHERE 
  key_id = '3a2aa3d34df3c715e9ffacad8958e330672830e31068298561b5df68fa87a75f' 
  AND (
    token = '6nm7pQqESnRICOvkk8qlcQalZp6fLnj9daDxF9hGk9M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )