UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rTTugTFzjj48kfU+5RiToipLX4m5ESMomPkifnq1MA8=' 
WHERE 
  key_id = '6d402e24f564b7db925c902d73e98951786cb9a03cdf26fe660158f231c1e99a' 
  AND (
    token = 'rTTugTFzjj48kfU+5RiToipLX4m5ESMomPkifnq1MA8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )