UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'y/Vge3zVIvCAxcJIIZzz1MYLCuMjpTFisA9YkqrH8/0=' 
WHERE 
  key_id = '621d7efd26030eb92cb310028b276b43234326e8462a7045f0f91f69e342e318' 
  AND (
    token = 'y/Vge3zVIvCAxcJIIZzz1MYLCuMjpTFisA9YkqrH8/0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )