UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b/WsqC515ZyxT4nIYMem85I3+j2btsIC7/d5FPNdiRo=' 
WHERE 
  key_id = '393142ff03b100ed659885cd34f2d57b12915ef89f1b602063318d465472124c' 
  AND (
    token = 'b/WsqC515ZyxT4nIYMem85I3+j2btsIC7/d5FPNdiRo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )