UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DBGGZ3JUjkyq4xwhnhW3hRetAOTeIotybfClThsRaC0=' 
WHERE 
  key_id = '12951f9a697950849577fa31c20570ed648c0db7776a0e7d9f37ebd5089f17e9' 
  AND (
    token = 'DBGGZ3JUjkyq4xwhnhW3hRetAOTeIotybfClThsRaC0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )