INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6751607c6ad48937878c85a50d44b629fb7f8789af6e6631c44c6d643a1e3206', 
    'Pby0tzU5mtUIIm+T5GY1DqL0Yt0wSsojzyEUNvQYGUE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00044

Result

int(1)