UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Wc5dDawKwb861Ig4oxdDUP7MRyjpUY7VlEFLtojUMEg=' 
WHERE 
  key_id = '068ef9629ec3f90d2b30e5f86b982501639b43a484600a05e8118c2fb26e0850' 
  AND (
    token = 'Wc5dDawKwb861Ig4oxdDUP7MRyjpUY7VlEFLtojUMEg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )