UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'afB7u+xCsDg3xD8+Xm2onpK5pO0bF2uYHe/bghFIEdg=' 
WHERE 
  key_id = '6bedb2c4f93d6e8fec5555b67f16c633267c108e16c15f7b2fbc75fd3266b3a7' 
  AND (
    token = 'afB7u+xCsDg3xD8+Xm2onpK5pO0bF2uYHe/bghFIEdg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )