INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '279e313fa01d2104581400f7f16657e44b3385195921a40fb1ed541212740e3f', 
    'v+6aXKftD+Y34/e5QgakZ31T3+KkSpobkz6NQe5kuVY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00062

Result

int(1)