UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QElVqlxPimbilSXNYJXKXg3rE1zulfmSjhLKgj0RCkk=' 
WHERE 
  key_id = 'f6ed2cc2ed4aff87588976f237b07a6472d77d542a9738153165906835a8e228' 
  AND (
    token = 'QElVqlxPimbilSXNYJXKXg3rE1zulfmSjhLKgj0RCkk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )