INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6dc240f22e47e6d03504b9b6002021f56f01c42aa29dfc548035b3890a26d3b3', 
    '+ehTAJSijjBZo1FsRQm+3oGAGuGsGVlFyq1jOVCq0q0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00032

Result

int(1)