INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21ec9f34326fb528ccb6c6a77e2d0356430291d85f75fbb1bc9ad1925f867c50', 
    'eF9s79Rr5djhU+mABIE/DGwNC22uVwnZvpmyP5QqmVQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)