UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8MRCk4BjP68C+bNu15iGrxVmXAly7GW79TvfeDt2qPk=' 
WHERE 
  key_id = '498f639286af0c832667e1fb752b7216cbb506f5e54895d9df847a9914a2080f' 
  AND (
    token = '8MRCk4BjP68C+bNu15iGrxVmXAly7GW79TvfeDt2qPk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )