UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lxkT1U58Eurr6ggM5/I+Pg84tiWptQjRgtPg7mY+egs=' 
WHERE 
  key_id = 'ea8b3f44fa46ec6415bd2ed555f2ad050fcf821af5bd76dd8c501575b52955dc' 
  AND (
    token = 'lxkT1U58Eurr6ggM5/I+Pg84tiWptQjRgtPg7mY+egs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )