UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'W2R6SDTdVzRkz94S5cWBnmRDhXphAn8TatIj+iHB7P4=' 
WHERE 
  key_id = '240b768c256a81a8b779bdb563d0a69a346cfbbd2349e9df5d18017638f41bed' 
  AND (
    token = 'W2R6SDTdVzRkz94S5cWBnmRDhXphAn8TatIj+iHB7P4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )