UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'sadIEwRNVNo0rqGLyAtN1cgi7N7zR9tK4OtHHWITDYc=' 
WHERE 
  key_id = 'c42645b82d11478fdec7458712e5049f9f2532988b3d917f6d2d8399769d44e8' 
  AND (
    token = 'sadIEwRNVNo0rqGLyAtN1cgi7N7zR9tK4OtHHWITDYc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )