INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21308d11c786d94d914bd0eff69d7ee7e40a65327e69686cd1665ed49480ebcf', 
    '9LlliFC+p5v5niKGUpjxn8kUEIMNiGrTJfuo6wAQ+JQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)