UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CiJKi3lzPadip0GOhznteuwqrcYO9PNcEDRp2MiTQS0=' 
WHERE 
  key_id = 'd2bc1bdcba0962d5edffc3a75983da4f51611cc9b9241ed65e38c0e541bd82a7' 
  AND (
    token = 'CiJKi3lzPadip0GOhznteuwqrcYO9PNcEDRp2MiTQS0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )