UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RexArOuUQtB9IxrvutALNSgqIpPl3J6KxGsM6AxFEnE=' 
WHERE 
  key_id = '87c9868cf0055a7fc6ce445d8f3dc09ab51bd56c9328d02f24058c009dc9eff5' 
  AND (
    token = 'RexArOuUQtB9IxrvutALNSgqIpPl3J6KxGsM6AxFEnE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )