UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'W4zf6o73u5vutKmXhWzJFtKmssXvYJbsiYuwvjVVohE=' 
WHERE 
  key_id = 'a36baa6e98f477f4c34ba41f961378ef8489a9c7dc75c083067c868582ceeef8' 
  AND (
    token = 'W4zf6o73u5vutKmXhWzJFtKmssXvYJbsiYuwvjVVohE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )