UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pZOCeWL70OMyMtottvCQR55UEASffZSMlmcPclcc8+Y=' 
WHERE 
  key_id = '51e71c2cf3e2c10b690db9df5fbb8879385b07b692d2478c85530fc31f9d88b2' 
  AND (
    token = 'pZOCeWL70OMyMtottvCQR55UEASffZSMlmcPclcc8+Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )