UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'poWJd2HdC8OpKHVFBJkz4M21TystJosNGDZzPtL38bk=' 
WHERE 
  key_id = 'b81bcb136d1575c5f8873540a094e59d0db378c9b5b9ad4350113969517f8ec8' 
  AND (
    token = 'poWJd2HdC8OpKHVFBJkz4M21TystJosNGDZzPtL38bk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )