INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'd1c8ff840151da0c4e2ba2eb4ee56a041a31b9192432de1026d767403c5cb850', 
    'MZr6JmtRWhc7nmgxk3MUtpw16ryO7yqrQNse5TBLMiw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)