UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9GvKOyKVDFDATNG8UmN6nsk/pmAv8jtuK3yvkBlmYkw=' 
WHERE 
  key_id = 'c531e3e68df8500649bfaf937b3919c32154f66e548c1ed931eb5f6594440c14' 
  AND (
    token = '9GvKOyKVDFDATNG8UmN6nsk/pmAv8jtuK3yvkBlmYkw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )