UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zel7oZfrgF3ThAf0k/pR6iEaq9YJZqRSI0E6jhory7c=' 
WHERE 
  key_id = 'a684551814432a81a545dc2dff20ecf6191125a35313930dd87946f36fd48c43' 
  AND (
    token = 'zel7oZfrgF3ThAf0k/pR6iEaq9YJZqRSI0E6jhory7c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )