UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b8QZxmuvIx651QLdIVSeQvDfduvfw7vTYgDI9pBxwX8=' 
WHERE 
  key_id = '960fce827f02d094fea2b479720ffc30a4bf543813b695da518e5685f2d89f34' 
  AND (
    token = 'b8QZxmuvIx651QLdIVSeQvDfduvfw7vTYgDI9pBxwX8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )