INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a8754791f15b744efd9a23ee8d6ea26944a2bf479f51b5b50c204ba0e0701a1e', 
    'CXUQ9KAk3NwpLR+u0eBsFxqXfmESGPZltv6L64BUmak=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00041

Result

int(1)