UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zF+TRt+Y5qwHHYWv7VfsZ5RV1OTm2MEau6LX8VpueZs=' 
WHERE 
  key_id = '50fd2aa44647779066e08830fb7abfcee66048275c6a9bc40ac5259036edf0b3' 
  AND (
    token = 'zF+TRt+Y5qwHHYWv7VfsZ5RV1OTm2MEau6LX8VpueZs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )