UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MORHvuAw0PXUTvZkvWjKul0mxw+AScMEDYQ+e4nTXck=' 
WHERE 
  key_id = '84afb57bd08aecfa4713328a2d9976c83e9eceb61c6b7238005df1efdc1bc523' 
  AND (
    token = 'MORHvuAw0PXUTvZkvWjKul0mxw+AScMEDYQ+e4nTXck=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )