UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'S9m4MW2yzsnB9+oP5tLFhq/6qzzRbGA9dxhpWzZEs/o=' 
WHERE 
  key_id = '88dcbd6144d18f098a23a896358c12b729297374dba54dccae6e34aaabbb1253' 
  AND (
    token = 'S9m4MW2yzsnB9+oP5tLFhq/6qzzRbGA9dxhpWzZEs/o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )