UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '30eVzIKgFeir0t9zUHvtunNyzEPp0wp9L0e4bCcxS9c=' 
WHERE 
  key_id = '203d75875bae67bff657251efd62208e9e225b9c2a970c537834876f9b2e8576' 
  AND (
    token = '30eVzIKgFeir0t9zUHvtunNyzEPp0wp9L0e4bCcxS9c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )