UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7r/v5L0J8DYfahOXj+ABmDcVWdoUfb2GDVqfK613+to=' 
WHERE 
  key_id = '7a993d5018503a4d60d0099c766702a4d80da1d05526489781a5188730b040a9' 
  AND (
    token = '7r/v5L0J8DYfahOXj+ABmDcVWdoUfb2GDVqfK613+to=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )