UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RJSe6+TBplLg6tW7J3tAvDC2omlV9K9hlSfvf4U+k08=' 
WHERE 
  key_id = '271481dd521c0a0b56833034b8d55dcb013486ed16cb898ceb2f9969403bdc63' 
  AND (
    token = 'RJSe6+TBplLg6tW7J3tAvDC2omlV9K9hlSfvf4U+k08=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )