INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a21d7e10eedd6a9c2af4c4935464a4a38a8d3dbf5851becf4e6ff0322a56e826', 
    '+bH7tD115z9wCUgOpw4W82ShNX6feSnJ6gTIilccz0Y=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)