UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UMkD6E0fUUEBxU/Fb1y691bYjTxaPh5t8xUHPRfP5NE=' 
WHERE 
  key_id = '28b911e40c6b2a0e9b5af31a30689ef270ee90d60fed0410cdd3d037f8ec94c6' 
  AND (
    token = 'UMkD6E0fUUEBxU/Fb1y691bYjTxaPh5t8xUHPRfP5NE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )