INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a3544a754d82d8be340d54ef201ad8ad6fefa948a6966592a253b53c31055ab9', 
    'iK9Y+rmebFVjrhxFtDVZWODUPoWttTW4QWessc3wOic=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00043

Result

int(1)