UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Px9z+hrRakEr6wZYvbeeXgn1HqpvgukvIt5qLyL6urA=' 
WHERE 
  key_id = '26ce4dd8d8b50c6261b7357b0e453dc81f943006dee62956147aaac97273b73f' 
  AND (
    token = 'Px9z+hrRakEr6wZYvbeeXgn1HqpvgukvIt5qLyL6urA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )