UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WtJc4m6cmVV5GneM7iMv+0of+JjSksw7yAXtDraSHUI=' 
WHERE 
  key_id = 'd72c590c36d0adedc7a017d902d32c1ad9b360a7b4e11c664af28175960c027d' 
  AND (
    token = 'WtJc4m6cmVV5GneM7iMv+0of+JjSksw7yAXtDraSHUI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )