INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '278dbcb25fd01439e7f82fa2fac5ea5714597f8c1e09c6574f98dc30b315d424', 
    'DkgU78GPqs83p60JQG3KkKlKGBA5Sbj6Icb++0Rf+ZI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)