INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5adffd80bca30aa21f64024eee2a20e8d9ddcd90aad7fc0123fa71ef5f930000', 
    '/2I5JkFFx7vZHzPM42ZppgaSbESljyYBenQDm1B1ujQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)