INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '303f2145381350c339a04d25f865524c45a557ef0507d8c85cca8db0a7cc1cdd', 
    '6Y6v0pe47C1VQjdrQ7eJycNadOXjGgtRyvTTuuA6Muo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)