UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'hnMmS5fMojen4zesgqjeLdwqA9onBYc/xhLp5KmyzOQ=' 
WHERE 
  key_id = '50e69963b5cbf3aa18a457eadcb9baab7a53c2195411fe26fe218afbe9eef4ec' 
  AND (
    token = 'hnMmS5fMojen4zesgqjeLdwqA9onBYc/xhLp5KmyzOQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )