UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MClt8IrlB4Y4aRuURntv1nUSy1L00qmlagPr26/iwlg=' 
WHERE 
  key_id = '8635c3fb2f2d4f36570a37a3e8624eba43504db014468d6a1ed724b33c458be6' 
  AND (
    token = 'MClt8IrlB4Y4aRuURntv1nUSy1L00qmlagPr26/iwlg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )