UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GpxJY5uTJXkCL5MN6SxHtoq5oANOgu27mQ4K1s43fGk=' 
WHERE 
  key_id = '3f16cadf84bb29390e0b7789376e12b2647f5e624838ee919bfc525a79e31039' 
  AND (
    token = 'GpxJY5uTJXkCL5MN6SxHtoq5oANOgu27mQ4K1s43fGk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )