UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gyN2wWF26U8FHy+adA8J4g7q2wckNcKe21XaVo6WqhE=' 
WHERE 
  key_id = '538609a640bc26abb40df12561e7d1eb0997665b7a585f883210541c279dd07c' 
  AND (
    token = 'gyN2wWF26U8FHy+adA8J4g7q2wckNcKe21XaVo6WqhE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )