UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6+4lJJ2k+BatynTra8+j5ePDFNtC18TcVuVWLDHiex8=' 
WHERE 
  key_id = '2734c0f37026887d2754a94b41119cd764b71310008e2725c955ec6039b696c1' 
  AND (
    token = '6+4lJJ2k+BatynTra8+j5ePDFNtC18TcVuVWLDHiex8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )