UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'L8zcn/ON7gzmz+AZ6ZffI00OVsTFih8a4xOckudcdeM=' 
WHERE 
  key_id = '5815a0e2a9cc461e6830d21b99f1071695cfcab1b5f9333e94eeaa809ff8d0ef' 
  AND (
    token = 'L8zcn/ON7gzmz+AZ6ZffI00OVsTFih8a4xOckudcdeM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )