UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N2H3GgYdJpy1OEGQqPA6AF7bsWY7wodf0oQYCGDAufs=' 
WHERE 
  key_id = '39bdc906bb584b50aab0147a9a9f3877ce03048f00f34381655ba57f2e0dd357' 
  AND (
    token = 'N2H3GgYdJpy1OEGQqPA6AF7bsWY7wodf0oQYCGDAufs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )