INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5ca5279454cab5d5b08d325d9dd418218ca20dfbedb2649432e27e17c2bd3fd9', 
    'MxDcflk6xacVXzI8dqUndiQ7u0vLDW4yPRP/oV7dwNk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)