UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rBu5qyIhP4+OyrEN/YjxAua0HEecv5of50TV4BIBqYY=' 
WHERE 
  key_id = '027e86fa8bb2f27e3a61ab698f8b8694096f2facb440fdfa6886ee3fb5fb1292' 
  AND (
    token = 'rBu5qyIhP4+OyrEN/YjxAua0HEecv5of50TV4BIBqYY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )