UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BkYLsrJDYwE/Um+QX0m2GPxOEpYX4ueJiaoZcJKrvn0=' 
WHERE 
  key_id = '347f1c3d0fa568e6519b5044160d3eecc78a865da74e1d6421bb5d6c17256438' 
  AND (
    token = 'BkYLsrJDYwE/Um+QX0m2GPxOEpYX4ueJiaoZcJKrvn0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )