UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6W8IH5xoFwS3HgdD2EJ438iBQUS3MBcBDJm44sYdYyo=' 
WHERE 
  key_id = '88e57294bd7674100a80f08432620071049a94346c41e3479a2a2b91045ff255' 
  AND (
    token = '6W8IH5xoFwS3HgdD2EJ438iBQUS3MBcBDJm44sYdYyo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )