UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Lkj9VypbYW/fH4V5BVUZ8yuSecm05i7t9Y2fF0BcpWM=' 
WHERE 
  key_id = '81a6f2b7d9f945a7ab16709885dad49e098627206c7df9d8a7e73dfdb45219c0' 
  AND (
    token = 'Lkj9VypbYW/fH4V5BVUZ8yuSecm05i7t9Y2fF0BcpWM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )