UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1HrltuqSj5jzKOoQFufYft3Yqpk+7Uu0pOmc0dmnLeY=' 
WHERE 
  key_id = '2e531cf947b92ab2b5de3d5e13305f31e54d28a753bf34c0ca56a77d3099bab3' 
  AND (
    token = '1HrltuqSj5jzKOoQFufYft3Yqpk+7Uu0pOmc0dmnLeY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )