INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '73c15a6152040a8d9ea42275744172481d3cca41675d3e0c8a7d468579156f35', 
    'j7nQUTyItyNPp9pRGpexNCQIzjH7el6f6I3KYH6P/YE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)