UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ru2HrMqyCiatApnnSvl6yoduAZWjEMpZRfyLrtMtaPw=' 
WHERE 
  key_id = '4b8836b29e744f8c549ed87eb588283a7da689282e666192cdea3fdeed630ff9' 
  AND (
    token = 'ru2HrMqyCiatApnnSvl6yoduAZWjEMpZRfyLrtMtaPw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )