UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'oiEUQqdc6tH1R1ehxv8mU0rgfSMPrWsh7ydMy/Eg78I=' 
WHERE 
  key_id = 'b6f672672a7457398c3d6d5813373631fbf84104818f66394662b5f2d830cc60' 
  AND (
    token = 'oiEUQqdc6tH1R1ehxv8mU0rgfSMPrWsh7ydMy/Eg78I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )