INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'aa9374cad2417daa0120c5056d01d090e41d8c4057c08152d75b5d69cc80f0b3', 
    '/1nWx5srMcPqv32URy32KqN1kjIBPtFv9L+0hP0DWNg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)