INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '69926599f840cb0392fa0d9438a2ce675e8b476d559f66393a984d20429713db', 
    '4t1ew8XCaGj4n0ZW1x0otMY0oKNf87x6sZ5GFdbcdWQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)