UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9yzmLPm7Gw1ZoLejt+qk/RW9ZscOFM3k0QkYPf6K+8E=' 
WHERE 
  key_id = 'a3959602288734c142bf1dad05d62db1088f840425d7f48dd206a785aaa50dce' 
  AND (
    token = '9yzmLPm7Gw1ZoLejt+qk/RW9ZscOFM3k0QkYPf6K+8E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )