UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dq61i3WPuRK0RybbQUI8KfmDgbzIvJ1MtAwETWj6mlc=' 
WHERE 
  key_id = '6312ce4d0a4a343a49d8ad232835966eca934aca72ba6d1c9d87e9fe28a7fb46' 
  AND (
    token = 'dq61i3WPuRK0RybbQUI8KfmDgbzIvJ1MtAwETWj6mlc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )