INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '20521851d91fe9ee56ed4fda8aef78f8a7a07c7affdbcde61e58f8c0f652bf47', 
    'pzmB3QhzBo76L+lFcsPpsKf7EVKQNQNGdcrSdZSLo7Y=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)