INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6346f47820d05bd5651051695e7d11b5cc5b6001a4e2193a070a327f9b906491', 
    'rzfgXLTKiyJPcM9joLc4vJR0J5it3LYNMnczYvOTOSs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00051

Result

int(1)