UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'L8hd4GQCiATByyvzaywGsn7edACF53o4NPlECjpqkp8=' 
WHERE 
  key_id = '503939bfc7b179909fcefe445e68e6a9f5e4222ce5e629c7b3997068b11ffc4e' 
  AND (
    token = 'L8hd4GQCiATByyvzaywGsn7edACF53o4NPlECjpqkp8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )