UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KkthXoxfQFl6wvMfVn+PRs+iDXMmJ1iB/yi0cHw8GgA=' 
WHERE 
  key_id = '9231547cdffd923c297adb2a69c3c4e0740a30c3ad5e2e0ae632a71cfc08718b' 
  AND (
    token = 'KkthXoxfQFl6wvMfVn+PRs+iDXMmJ1iB/yi0cHw8GgA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )