UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'O+BLw3TChH3162oVybNcimTp6yuO0rq2rPOshXF40tc=' 
WHERE 
  key_id = '82fb39862e5a9d37e90d92dbbb71498a7306096e0b29da46e4634c86c7156eab' 
  AND (
    token = 'O+BLw3TChH3162oVybNcimTp6yuO0rq2rPOshXF40tc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )