UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TII7g48ZewWcRUZml45E1v1+s+crwAfercftPJsRG3E=' 
WHERE 
  key_id = '23b965b4b122203e76bc52318c65f74051f2866cba2b994948ca07206239e6c2' 
  AND (
    token = 'TII7g48ZewWcRUZml45E1v1+s+crwAfercftPJsRG3E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )