INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8f78c2023c1212a71db596154f0353fce1867e967d1010c04b17284d07aa0e08', 
    'tMA37TdShDuUWQYng58Oz65yxOW2NaJRHmXvpLfU6VE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)