UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nGvlIGchjX6QSdIUaFGn6oA6Xl2BWY81vp0TpTxkDcc=' 
WHERE 
  key_id = '495c3c9dd29579760c29e2b21769b2e7a25049b5332dea0fea98072a93a88f4b' 
  AND (
    token = 'nGvlIGchjX6QSdIUaFGn6oA6Xl2BWY81vp0TpTxkDcc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )