UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mm+YMPSYo5574SpBiHKiwVeX4nWlFrrrg8IRfJIUvv0=' 
WHERE 
  key_id = '4d9eb5a3fb3bb30aba76d92eb5d221754e0ba8ba41a1d8f663e135ac85c846a9' 
  AND (
    token = 'mm+YMPSYo5574SpBiHKiwVeX4nWlFrrrg8IRfJIUvv0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )