UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MxDcflk6xacVXzI8dqUndiQ7u0vLDW4yPRP/oV7dwNk=' 
WHERE 
  key_id = '5ca5279454cab5d5b08d325d9dd418218ca20dfbedb2649432e27e17c2bd3fd9' 
  AND (
    token = 'MxDcflk6xacVXzI8dqUndiQ7u0vLDW4yPRP/oV7dwNk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )