INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '81bff0072805f901d116d13c9f28499a82137669d38a5b7304cdf83eec0eab3b', 
    'S9L7HtB9tgdHv2qcm8jLhK70F3P7RhJJ3j5ERJ2p+yo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)