INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '39df8816979729826ef4b5e4857a142f1a3eb5c4efa1410c22af4a2f42b0e590', 
    'SdCTM9kTFeQ6MpVdDr9zESnfb3avncpegmD66pQqUjo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)