UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+eIk3eI6qiccLddChCdqZ7LNDuHYGBrx/J2LWRakl78=' 
WHERE 
  key_id = '2a52074d622810de537a2abeeafcefc5296b07d5c1ab5695f62979e087894e86' 
  AND (
    token = '+eIk3eI6qiccLddChCdqZ7LNDuHYGBrx/J2LWRakl78=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )