INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6476ea9397c86c2151260d313fff965178d066d5877d889a506e55c53e9da0ff', 
    'fZXCu0G0eliqS6tWZOm2D8k2XobGFFylvxRl3cU0pt8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00037

Result

int(1)