INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4c8ac348f317edbfe3ac2f4f8494dad0352018f26b72d25f51a363fe0a0a2646', 
    'G9zQUTlRGdeYQswRvrST6ZE/SbyD0QhngJitbAftkpY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)