UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'P09ZdM87wmRQ5+fDcpy1Mz2I5ANuO7jbqb9iNg51IX0=' 
WHERE 
  key_id = '849d91a1612f5bd3b8ae71dd6e9082a876a9f8f28182cc35f362044bb777f934' 
  AND (
    token = 'P09ZdM87wmRQ5+fDcpy1Mz2I5ANuO7jbqb9iNg51IX0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )