UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VK/iK6mVGar0cear/LSN66pcTQAOPi+y95lrPDaxcTY=' 
WHERE 
  key_id = '8fe0b2d9262c185e22911875f8ad98eaadae98c942677906d924edaf93805539' 
  AND (
    token = 'VK/iK6mVGar0cear/LSN66pcTQAOPi+y95lrPDaxcTY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )