INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '2551577c00d9844742c5e14873f3f8566a80ce1193a902e8720a828ab40618dc', 
    'EPPwcmBQ5oVV0GsgBpKHUlEDwCcZF86aOmGhh7nweck=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00040

Result

int(1)