UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n+EPjAb5PQxh96tjIWvqKX3pC9A6ugMQSnTbirRRgjk=' 
WHERE 
  key_id = 'b2a6423a32b4b90c98f6f46aa5feffdd72e57bab6bfde743fe4ee58a83860f99' 
  AND (
    token = 'n+EPjAb5PQxh96tjIWvqKX3pC9A6ugMQSnTbirRRgjk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )