UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Gxm1POy4JO8sq8Fi5NnZk5R5n1oH39YIG3HBkc+Xeus=' 
WHERE 
  key_id = '4db7c88f01a23c40398593760cd944267e183cb21bc7dda1aced57fab54a7ecc' 
  AND (
    token = 'Gxm1POy4JO8sq8Fi5NnZk5R5n1oH39YIG3HBkc+Xeus=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )