INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '531b74f821bf9550c5769d85266584739347363e2a973656831566ae6384e569', 
    'RvaQJyF7fGfIuhz5jfSwCJuJ86IBhoqu4fi1hk5Mf/M=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)