INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '756173f429f31dc8ef8ea6b8a0c8a63b10c5a828e3c22a74bff867e750625358', 
    'Wt3jfST4/5nCgzWmehwEDe5wwJsGvcuYNUElpfaJ7Rc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)