UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Cn5u9TvYLNKFT4GDCgtji92ccoCO0eZutwgKizpDt+Y=' 
WHERE 
  key_id = '5156b60d15c014477b512bacbc75d371e62a7838788985cfbebe9d6f31acbfa7' 
  AND (
    token = 'Cn5u9TvYLNKFT4GDCgtji92ccoCO0eZutwgKizpDt+Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )