UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0x8E3W6PaSJEwNKe1w4VFoBnXw6ro0TX0uf3tYxO+F8=' 
WHERE 
  key_id = '1ac6379e38a458d78147207c63bb8c69eb8a714435a9e58ac56ee767e90d9f43' 
  AND (
    token = '0x8E3W6PaSJEwNKe1w4VFoBnXw6ro0TX0uf3tYxO+F8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )