UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rPIfFVzvHe8bLl9ndtIVqgipW+nF0P1MUBAq+e+92Rk=' 
WHERE 
  key_id = '2e6e673f9c208fb535380a058f4eab81e7b199b5b2013748f262b1aee4d8e93f' 
  AND (
    token = 'rPIfFVzvHe8bLl9ndtIVqgipW+nF0P1MUBAq+e+92Rk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )