UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MG4BIy3VXvVMIP9yug+86ja3TNJiLLPTMiDfj9eRx6c=' 
WHERE 
  key_id = 'b39c0adb644e77419762fef7d5530710ce8a484884ddee5e9350ccbb47f7a340' 
  AND (
    token = 'MG4BIy3VXvVMIP9yug+86ja3TNJiLLPTMiDfj9eRx6c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )