UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GxKhtlBBS11jx+XJ1luNrlTSmrbSyX1L5xydqENjntU=' 
WHERE 
  key_id = '5cf739cb27888c57c18925dc25bdb3ba5ecfc5137503ca867037fcbd3da199c1' 
  AND (
    token = 'GxKhtlBBS11jx+XJ1luNrlTSmrbSyX1L5xydqENjntU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )