INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '81bdc18a1d402572581b69ad94af6aa51a929f433919978f309731110415bd72', 
    'RwvBXpkvxa26QSV2RoBfw0HDzfQEKgXMN+8VeGBpATw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)