UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a7rO1T5cjRc/hIgC43fMO8sTKqE0RwEopr5cnQs2EBs=' 
WHERE 
  key_id = '46249c422a20a2c7904e4575e8f5ad17bf4331efeb898600ad673463223c7769' 
  AND (
    token = 'a7rO1T5cjRc/hIgC43fMO8sTKqE0RwEopr5cnQs2EBs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )