INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'd21af8ef8be1f04523955962dc41edb402d5d58a4228c3160c468ad95f141beb', 
    '5xIiXebXuopKoo2hv8AyYmKOTTnVTQIw9CU9/APO7Kg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00018

Result

int(1)