UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'S8Z8gb7BOmo01pdBTLYOYP2dGWHjvC62yJCU1eyBq54=' 
WHERE 
  key_id = '68a5d84526a08c843ad7ceca734321eb2e8548d859406bda330538f5aaae0e3a' 
  AND (
    token = 'S8Z8gb7BOmo01pdBTLYOYP2dGWHjvC62yJCU1eyBq54=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )