UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'efIRY3EcorX0kivBnBtzS3PI6avrIZYmheiKfbbJbw0=' 
WHERE 
  key_id = '51f8743a0d3115dd39ccd6c0e7965a71da2cc7dfc0eb940f95686a0c1ecca25c' 
  AND (
    token = 'efIRY3EcorX0kivBnBtzS3PI6avrIZYmheiKfbbJbw0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )