INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b39c0adb644e77419762fef7d5530710ce8a484884ddee5e9350ccbb47f7a340', 
    'MG4BIy3VXvVMIP9yug+86ja3TNJiLLPTMiDfj9eRx6c=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)