INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b39bf3e86e40d8262131ec4236db3b7c0289755381f36e1bf23e091097f29c94', 
    '7P7idfmcx9Thy3XKx1EGWoiJDwiNcwy6p3Fa1oO4JDs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00042

Result

int(1)