UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zdyGJkBevDRj82EnZNZSgrmryj3MWslmGlgm665lhBo=' 
WHERE 
  key_id = '836598bd092e21db513fab0e6b304f3e7200e61513137a8787f35a5d7c42ab37' 
  AND (
    token = 'zdyGJkBevDRj82EnZNZSgrmryj3MWslmGlgm665lhBo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )