UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mg+QTbzt2iRZVws/aTIkn8nf5UPA85KKaYITp6KaDWQ=' 
WHERE 
  key_id = 'a4925100729b447a747d16cfa5a743aac5bc9e3d2814f4155894403325496db2' 
  AND (
    token = 'Mg+QTbzt2iRZVws/aTIkn8nf5UPA85KKaYITp6KaDWQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )