INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'f6c868ec4e3acf5526f72803b2dcf08c7f509f44e4a9fd7c5fa1c077e88576be', 
    'm7jsouEHlZpWUz144IClXUK5NzPkO/9SRYHyjqhe9fo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)