UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gM6L7rUHCu80i8PRxYRTYkYOSVlpUFun3I093V/vft8=' 
WHERE 
  key_id = '2aa3a6fbb6e019a106a6f7b3be9f1f10348e1da4882a0277f01491131f9107a0' 
  AND (
    token = 'gM6L7rUHCu80i8PRxYRTYkYOSVlpUFun3I093V/vft8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )