INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '300c9981ee5dd7255606e6cb3b3486c58f58dff9724628c603da4f544dfd29e9', 
    'q6y4gGvhAJHV5fYzDsViOgCiqxjMUZpoh+rIXm9hdBw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00037

Result

int(1)