INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '304aeb8fd50d8730967d1c01992df9c549deb6947e14163400ee7ddcbdcc5d2a', 
    'ezcThWdNTkj2jxOpVbVukAzIk4wLgwhdcWH/HZV12aE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00018

Result

int(1)