INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c1b329d2441b27e8f614855bd761040003920cdb7031f472bc82ab9022c54b02', 
    'a7zVYgnmj9VeUrAD331mwL14/M0LPG0sp7QREbOfH88=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)