UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nkXg0GEONhRzb/KSRsM0UTUjgmmF60uWVOc2XYIJAKQ=' 
WHERE 
  key_id = '2e340f43e99ee24523a6754420a5984459afe6e20e451ebf11d04e6d65052f84' 
  AND (
    token = 'nkXg0GEONhRzb/KSRsM0UTUjgmmF60uWVOc2XYIJAKQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )