UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LL8GbsnDZIJHQwPR04y5VidXnUN/IAQaRrjmloMlM+o=' 
WHERE 
  key_id = '29bf794f2cbb095542fef09a98cceccb780167d58a1b2a27d6e2b7439d639f41' 
  AND (
    token = 'LL8GbsnDZIJHQwPR04y5VidXnUN/IAQaRrjmloMlM+o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )