UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/1nWx5srMcPqv32URy32KqN1kjIBPtFv9L+0hP0DWNg=' 
WHERE 
  key_id = 'aa9374cad2417daa0120c5056d01d090e41d8c4057c08152d75b5d69cc80f0b3' 
  AND (
    token = '/1nWx5srMcPqv32URy32KqN1kjIBPtFv9L+0hP0DWNg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )