INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a248989a1dbb261f1948de2fe1258072a04b0fbc4a453aa543d70f93a1b590f1', 
    '+2Uy5q4x0A7OdwiBLZJ5FhvIdeRLahaHHeIpiUC1qvE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00037

Result

int(1)