UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Z3gdiDfIO0kMtLZTQ82bOYf0kn949MVbyrCFTEjmQRo=' 
WHERE 
  key_id = '255a235e6f590419bdb06c967466a876e22985beb7e0ebba532a10a14c633825' 
  AND (
    token = 'Z3gdiDfIO0kMtLZTQ82bOYf0kn949MVbyrCFTEjmQRo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )