INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'd21ae0ca072466b8b1234553473577ab94b9d1351525430f97f160794da6f44b', 
    'Gxrd0PiUEzNyKgucqLKn83YtK7xBOpidb4f41pk73MI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)