UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MmWNO/SO63t7Ha79BB5InF1I6MeDz7ydxot9AMh7kFc=' 
WHERE 
  key_id = '852c28fabf228369a5869c72efcfed53b2de352f185b8319cd8bb47aa062c656' 
  AND (
    token = 'MmWNO/SO63t7Ha79BB5InF1I6MeDz7ydxot9AMh7kFc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )