UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IEXkUBHFpnRzjIXnXSM7IrCpIw5R6hu6xMweqUTyu04=' 
WHERE 
  key_id = '4e618e2066667b536b419c6c2bcde2cb8178489aa9f6b31c04e0e2e05b30efed' 
  AND (
    token = 'IEXkUBHFpnRzjIXnXSM7IrCpIw5R6hu6xMweqUTyu04=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )