UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1aTPqG5n3aDxbfqyvhCMMXI4CWlSlEv3Ocy6KoN9DK8=' 
WHERE 
  key_id = '768f8c823bf11f19da6557d1c811510508455570b1c5306e712d74ff7b8d4d33' 
  AND (
    token = '1aTPqG5n3aDxbfqyvhCMMXI4CWlSlEv3Ocy6KoN9DK8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )