UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'aey79ATxy2dqUHqDksZlfx7hfW7QellWk4uuld3STNk=' 
WHERE 
  key_id = 'cef16e25048508c0a6df4b85f488f71214b7305c93afafe6c2e281c0b3823130' 
  AND (
    token = 'aey79ATxy2dqUHqDksZlfx7hfW7QellWk4uuld3STNk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )