UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z5kk7cmYioM2pRcRSVJys6EdWUy85uRVAogj1SbAAOU=' 
WHERE 
  key_id = '2bf47894c78b17e31d1388e3da77c9b628294136ada54462e947b08e9620a217' 
  AND (
    token = 'z5kk7cmYioM2pRcRSVJys6EdWUy85uRVAogj1SbAAOU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )