UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'A7v9Ng1/R38BkGHrYfb8hnq1xNGBZLK3Tbm58TUsXdY=' 
WHERE 
  key_id = '991e43c34de02b311fc51a567414c61ee22a721e14a04e16d86fee9f5980f670' 
  AND (
    token = 'A7v9Ng1/R38BkGHrYfb8hnq1xNGBZLK3Tbm58TUsXdY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )