UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RL4FM+E6XWo16TR5nAX1xNk+Wnftt/GE9JphG9i6JgE=' 
WHERE 
  key_id = '1ec6cb660011018a862407710ff9bd6f08e372727637b986c2fccb1eb4a90994' 
  AND (
    token = 'RL4FM+E6XWo16TR5nAX1xNk+Wnftt/GE9JphG9i6JgE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )