UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UsKU1y1qM9H6KQSe2N44CGBMe2qmigKN8pbdH8EnOWE=' 
WHERE 
  key_id = '47b9d8d214414750fd805d4fe67c89cd3d387db7a2fdf44d92b064be0329720c' 
  AND (
    token = 'UsKU1y1qM9H6KQSe2N44CGBMe2qmigKN8pbdH8EnOWE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )