UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n/U7M71qrPLRZiFQIvCvMJ3nZ9R3BVGBgKhsrWiqwk0=' 
WHERE 
  key_id = '6a5dec3d771065593480b943120fc16ea112ef6b66c0e9ad133d8e1641c7708b' 
  AND (
    token = 'n/U7M71qrPLRZiFQIvCvMJ3nZ9R3BVGBgKhsrWiqwk0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )