UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6VP9HwYas7NxTKKpK1eln4oAghIkHnBBsRdPD+Rjovg=' 
WHERE 
  key_id = '2c06a6f887933b477e8320346abb3c2b548dafdcef2f9cacc02e0f197ea2f953' 
  AND (
    token = '6VP9HwYas7NxTKKpK1eln4oAghIkHnBBsRdPD+Rjovg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )