UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U2RRs0ggkdJZPE63NSV6E3DWiaoT0flW9FCD4n2tOGk=' 
WHERE 
  key_id = 'a68ded9083d03c7ff23335e4c675836997e3936ef07744c47beddfce90df5643' 
  AND (
    token = 'U2RRs0ggkdJZPE63NSV6E3DWiaoT0flW9FCD4n2tOGk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )