UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6e+Wc58N0SVB90SAG3+8BqLJ3josO3DSyfKZgI6QE+w=' 
WHERE 
  key_id = '4d4608e581e587f71e43e56260cfcfbd37d767e15d30b9d7ab0735fafa87c3de' 
  AND (
    token = '6e+Wc58N0SVB90SAG3+8BqLJ3josO3DSyfKZgI6QE+w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )