UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a0xx/QFj1mb6eHCsTeUEgY90zoyWc43asvcC0bi1DP0=' 
WHERE 
  key_id = '6811db96d71fa86f803113e176a725e38fd69f4e8094ce02869cd4a76ca4175e' 
  AND (
    token = 'a0xx/QFj1mb6eHCsTeUEgY90zoyWc43asvcC0bi1DP0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )