UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ykyf3vJPOzOiIYD1shZtyY+YW+/HVHU3Vlf9LYBOBM0=' 
WHERE 
  key_id = '6fe58977acf3745e477c736cd027d56671e6e303b322009a737f83940ead8916' 
  AND (
    token = 'ykyf3vJPOzOiIYD1shZtyY+YW+/HVHU3Vlf9LYBOBM0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )