UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'M9L21qLP2MEydsAfjPoZfwjaKHxGILcO5g9WUs9aiYo=' 
WHERE 
  key_id = '3e9b5aeaf60b07b59abd29f43c92efb6fa6f6258df65c33f9e7d0caa4867cc38' 
  AND (
    token = 'M9L21qLP2MEydsAfjPoZfwjaKHxGILcO5g9WUs9aiYo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )