UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Dd/+CuJtnMiKzFVj9j2DfEYR1I1wdnUSDUtopPbKGgE=' 
WHERE 
  key_id = '29aac12e469d5036de2d406d23feeef9453d2963418c519012a1f1a0e6e459c7' 
  AND (
    token = 'Dd/+CuJtnMiKzFVj9j2DfEYR1I1wdnUSDUtopPbKGgE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )