UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MKyR0h+r4xjTDmDpWIBv+5bv7DNt4ciylH71U6ACqyU=' 
WHERE 
  key_id = '34a9cc6f44d5230f0a19519cc89b742729355fe8be9edcde3ec18903fdb55235' 
  AND (
    token = 'MKyR0h+r4xjTDmDpWIBv+5bv7DNt4ciylH71U6ACqyU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )