UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6GxSRTbOSf7NmSfugFmjuaL6oa3B4ubz9xh2dgyzQUg=' 
WHERE 
  key_id = '51cf0bebb47f05c02f827aedafc7a45f45882fbd3f5e1ce755a4350cbd024e24' 
  AND (
    token = '6GxSRTbOSf7NmSfugFmjuaL6oa3B4ubz9xh2dgyzQUg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )