INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5256538cd35532487b0e10ddd9ac05c7f2d224c29e0824470e5b4a8ac51a02db', 
    'Cks6fKSxTHShsTV0nyfcs+cQa1sPI9mvMbUm7HaLjWE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)