INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c8c243b47fa0fd04851ac6eb8c39130947bb280700d86e4e3bd5cd00c241d6be', 
    '6+JzudwOo3vIIXrhDvjpVWNxWXAIDseRSZKL9ksfD28=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)