UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'oQNE5+YjV4tmX7IUENVmPHtSqgMTBCdaMYRaBCSMwaU=' 
WHERE 
  key_id = '8854c81e6ce0e0153ff0dfae3073cb0f48f98a4a7424cfaf88e0edd5056d4206' 
  AND (
    token = 'oQNE5+YjV4tmX7IUENVmPHtSqgMTBCdaMYRaBCSMwaU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )