UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6FKfH/COFZeBOayk9aAsoDs6eUpvlyU9vkd6foITPxg=' 
WHERE 
  key_id = '795e6b8d44c541a7e47b5e06ee7f06a94df9335e31d90ad0b85f624026c61314' 
  AND (
    token = '6FKfH/COFZeBOayk9aAsoDs6eUpvlyU9vkd6foITPxg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )