UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MX9yX0Mt1aXCxYZuO2zr/7azprwMR+pTDyTR/SmikqQ=' 
WHERE 
  key_id = '1c27c18a76e606c767f0428abe8a5957b807f70c5c464ee3e2ce1490f9ee8681' 
  AND (
    token = 'MX9yX0Mt1aXCxYZuO2zr/7azprwMR+pTDyTR/SmikqQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )