UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BlzB4IoSi0otNvqUO2goTxKibRljoSN6XkC1K259BxM=' 
WHERE 
  key_id = 'f6c56cb2ffb489d21b4b7cf7a7500c4b817b8dc3828c1f6cceae1702b1002f02' 
  AND (
    token = 'BlzB4IoSi0otNvqUO2goTxKibRljoSN6XkC1K259BxM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )