UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Nz+6dxHvLzMwQJlp0SHNxrDaYtOjZ0R6Xcy0ywhfNhU=' 
WHERE 
  key_id = '0b673c9595004da15e40bb0eeac2dda0d075d7a4e49899688d718d4d502115c3' 
  AND (
    token = 'Nz+6dxHvLzMwQJlp0SHNxrDaYtOjZ0R6Xcy0ywhfNhU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )