INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '975c674f50ec486f4d387eeca498bbaaa39b4939e94f9b9c4c25085fcf0dad9f', 
    'nU4IXefHqwk99XvrxEO/ur+Viyo8EW9ziv2wTSBLEpY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00043

Result

int(1)