UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gkU+VjHh3RrJrZBEQhK3WpoJz6UHOPXj+6IhdhLfco4=' 
WHERE 
  key_id = 'a826773d9e47bd6e65e7239a5ac8e45530a930e8ff35d6e3f676356f0cff93be' 
  AND (
    token = 'gkU+VjHh3RrJrZBEQhK3WpoJz6UHOPXj+6IhdhLfco4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )