UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Nb0zX81AaNYSV1E4o+9nzAw6MZ3OfitFi+0/Z5or6gk=' 
WHERE 
  key_id = '6bdfb26b159f95fb00e6474b2dbaa641a607f8b4e0ee3dc017943071408a812c' 
  AND (
    token = 'Nb0zX81AaNYSV1E4o+9nzAw6MZ3OfitFi+0/Z5or6gk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )