INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b1f2c86c64ec2b79d012903cde9a8f644bea042b35ce0c14f9020d5ebe9f6de7', 
    'ljb2qxq7KLWohwByfK1435NYlbkuoIsIfDDQ/32p0/o=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)