INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '510d0c04e71fa8edbd72901003fb416f8017476435a49a982ad366bd449ad39b', 
    '6QFXQgcPLYprd4A7TvuEdJzLT38AZ32AqtqG/PSZvf4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00018

Result

int(1)