UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'V5eVk+1z67IQFEG5lJ0Y6JKpjePU9Owl8sfaOMQRqVw=' 
WHERE 
  key_id = '78991a25fd9fec58243ea7da4c1ba023c435657b6704c18acf0d05457df56c23' 
  AND (
    token = 'V5eVk+1z67IQFEG5lJ0Y6JKpjePU9Owl8sfaOMQRqVw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )