UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ruKnA9XxJS7+Zm+NvAiBwVSipK7LabiV46lzuT/+Byo=' 
WHERE 
  key_id = '4cffe509a24b559d326a02ed50550778539c77519509be9bf2faab38a3699d23' 
  AND (
    token = 'ruKnA9XxJS7+Zm+NvAiBwVSipK7LabiV46lzuT/+Byo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )