UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z4VLi8VUJYkl/Q8LPftjnkWBQGf2zD2vEoGkkFkSUOg=' 
WHERE 
  key_id = '2bde4931bff23805f635069e98cabf3d355de4e5191b8beb8a19bcf30541cf71' 
  AND (
    token = 'z4VLi8VUJYkl/Q8LPftjnkWBQGf2zD2vEoGkkFkSUOg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )