UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rRZ85aAiMFcFE7vrBxdSoT6LypbqMrJUSApZiXldyvg=' 
WHERE 
  key_id = 'a4bd21fa47847ef15135bad71e397445682dbeddc1818398316a17f505f38067' 
  AND (
    token = 'rRZ85aAiMFcFE7vrBxdSoT6LypbqMrJUSApZiXldyvg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )