UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ke/kHZ5HShB1JG4KWGUgSLLgNXdm6jFzt7QsIuv39iA=' 
WHERE 
  key_id = '8f83b2c8b29c616b70cf18ba544fcda253a44241c75bc4bfab83e27ef2c99a43' 
  AND (
    token = 'ke/kHZ5HShB1JG4KWGUgSLLgNXdm6jFzt7QsIuv39iA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )