UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VWkWn9YVn1Jj4iueYCyKO/RY09bRNyplz5eI3zKMPDM=' 
WHERE 
  key_id = '1b61af7a2cf015aff2bc7a65eb11ab325778fdd4857f7b8a1bede0d7cd1e169b' 
  AND (
    token = 'VWkWn9YVn1Jj4iueYCyKO/RY09bRNyplz5eI3zKMPDM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )