UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kqwZ4vurvc4XUn/MZ911yJ9Ffgd1T2wdBWQrQ6kZBUA=' 
WHERE 
  key_id = '8d56e993c84f7fd13538e6d259d96c145e4387bfaaf4c296037ad9d16149ca27' 
  AND (
    token = 'kqwZ4vurvc4XUn/MZ911yJ9Ffgd1T2wdBWQrQ6kZBUA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )