UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/ZxVpUtOQgibui8cvX7r3/UxeEb9aaeRvX8si7fgbOk=' 
WHERE 
  key_id = '821ffb882d800b560f11d54e0e38cea7005d6c592c612facec3b5ee9e1992d50' 
  AND (
    token = '/ZxVpUtOQgibui8cvX7r3/UxeEb9aaeRvX8si7fgbOk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )