UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dyP2hZg+RCFefgSXQXnMdPPTcaVUQFOXDe8RKBoc3WM=' 
WHERE 
  key_id = 'a9d2ba97f25555b16e60796bec9eecde018878a1e2065a2ee88ab4299046d877' 
  AND (
    token = 'dyP2hZg+RCFefgSXQXnMdPPTcaVUQFOXDe8RKBoc3WM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )