UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DFYcWLQdnpMZE3CEe2ZfFcb6KFth5IsEasVx+DfWlCs=' 
WHERE 
  key_id = '4d6f7c8a14ad60a8adeb68c2d297628df54743260d76d0cb5ea9a10f9e6c6b29' 
  AND (
    token = 'DFYcWLQdnpMZE3CEe2ZfFcb6KFth5IsEasVx+DfWlCs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )