UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Iz4Gvev80l1K0tgyAZNH8DyWgaNEzBPd1BHvjzl5YNo=' 
WHERE 
  key_id = '642820c8666a0fc5613ea763b72da02821d84838ccbcd9d59edd13d72bbbc499' 
  AND (
    token = 'Iz4Gvev80l1K0tgyAZNH8DyWgaNEzBPd1BHvjzl5YNo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )