INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '7b54308e6f43b866621b5a9bf14c60e23bd4f31e6485edbce2a885f4ee8cebfe', 
    'Irt8b4YlFekXWfNfV68J/QZqwCEe0u9YpENXuJvMp+M=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)