UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'sSkNDMb7EtpuWdb/ClxE6gsM9gJ+cY5ubCiVni2qHlg=' 
WHERE 
  key_id = '6b100d125037f158bc84d8e0e7fef67dbb6908aefa498e339ecb821c744842e9' 
  AND (
    token = 'sSkNDMb7EtpuWdb/ClxE6gsM9gJ+cY5ubCiVni2qHlg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )