INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '547e30b65a2d20d20520a8b94345d5c94fc8510c67e8d85d4658a9f0dd40e6e2', 
    'iN4KyuWLW2yNUXruhZfosJdQBzVZQBGzS0xV5kuehTc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)