INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '503f1e16d434af30d9b5fb7e3e2907a88576653f2d5eea4a7007e797df9f555d', 
    '27L83W+W3bDrAA9CFomsw+5ODlVxynHJhXejofR85z8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00043

Result

int(1)