UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TLYxlirjLXfYc+HYvwQv+6zLICXLWP8Z9VeTt3tKuJg=' 
WHERE 
  key_id = '21ce323949b3ffdc51de721e17a6d9043c07268c6c4de55194334b791c908844' 
  AND (
    token = 'TLYxlirjLXfYc+HYvwQv+6zLICXLWP8Z9VeTt3tKuJg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )