UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4eBJcvFKXAVvnvzilwkmrdY71IoIoyJ6Ahp2Nxv0Kuk=' 
WHERE 
  key_id = '42c6ebcfc54f301ab12edec3ebf9bc391f2d3ff7ad528475962dc8eefdd3cd1a' 
  AND (
    token = '4eBJcvFKXAVvnvzilwkmrdY71IoIoyJ6Ahp2Nxv0Kuk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )