UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZnkrBL93Kw6mxRscrSoOW034tBFZfJDS+D2SPuSVCJE=' 
WHERE 
  key_id = '994e2cbebb4519aad74356db88dc471eec46fad3d2dd678f4d54a9f69847617d' 
  AND (
    token = 'ZnkrBL93Kw6mxRscrSoOW034tBFZfJDS+D2SPuSVCJE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )