INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '9d728bb76967935358db484e908deecc38bdbf33f2de16ab7e61aa4f1c2dfcfb', 
    'mpnFHQy4AfY6ovEk9LUq5y4B88mweGPxG0We8jJwwso=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)