UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bui38yfxTvHT4mOpiHDqCI3OqlIFMkJPGDZ5UxnqfUc=' 
WHERE 
  key_id = '1f6a3ddcf2a19f6fd08c131656d8af66bc901cc95850bac95edef0b1b2e55523' 
  AND (
    token = 'bui38yfxTvHT4mOpiHDqCI3OqlIFMkJPGDZ5UxnqfUc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )