UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fz1nq8tNFF91LL0XVZW6o3WxM53PGYJbRzfCbWqmFxM=' 
WHERE 
  key_id = '421a0bf09add1c4dc9ad7d91e0eda5e694f29947fcfd3b5361837647d52f9515' 
  AND (
    token = 'fz1nq8tNFF91LL0XVZW6o3WxM53PGYJbRzfCbWqmFxM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )