INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e821b991443de1f2d396e09d761ac5b1c17fc59754d36a6a13010b4f51b50091', 
    'V2uQHTKFGCYxMe8PS6Y4MW9/gXM2gpmbHMQbkj4rz6o=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)