UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r+U3OBtt7ezTgbplMuwJ5+iadqKJjt3iGX1DpLEsG+E=' 
WHERE 
  key_id = '9d61f987cd2f1fb5078ad7ae1b7fdc3c3db44ef342195c4632157daca0c491b3' 
  AND (
    token = 'r+U3OBtt7ezTgbplMuwJ5+iadqKJjt3iGX1DpLEsG+E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )