UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GXNcLMUGF8nTUMA0V/hWRbDrKqwiezu3pZo/0UqECPA=' 
WHERE 
  key_id = '8c559eaa1bc089b53a36f23dd37d4eff9d24ffeaf6e784c935ebb5efa36f09dd' 
  AND (
    token = 'GXNcLMUGF8nTUMA0V/hWRbDrKqwiezu3pZo/0UqECPA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )