UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vQ49wHVOjiq2Ww0wy+hjtaxGuvM8cKdHPim62m+JUOs=' 
WHERE 
  key_id = '27de533eed79d4682a6a80b8dfca035e22ba81b999004ed612d47150293974c0' 
  AND (
    token = 'vQ49wHVOjiq2Ww0wy+hjtaxGuvM8cKdHPim62m+JUOs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )