UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EeL+QmrBP9qDMyoVc6rNjXm0fvFXi/de2rAHniVxogk=' 
WHERE 
  key_id = '4c2981526bcbfb219521846ba56a34158857c0677c5c33068e2f9174a24727f8' 
  AND (
    token = 'EeL+QmrBP9qDMyoVc6rNjXm0fvFXi/de2rAHniVxogk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )