INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'd300813aa591a391bcc2764dc55e6a64913accea125faca41825b3381e00d45a', 
    'JMTx5MY1tPCxUya23msbQaNyT1Ua58E1EvjI8OZJl60=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)