UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jkVbfz5pAe/KIf9Lzs5GYr7sbrRyvm6/MA/3uQmtlUQ=' 
WHERE 
  key_id = '34a2f1d60af53d45b10401998ccfcc4d6d78210b30202c5a335f06e64f815d34' 
  AND (
    token = 'jkVbfz5pAe/KIf9Lzs5GYr7sbrRyvm6/MA/3uQmtlUQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )