INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '03c2d300d266cc6e982f5311a96334477d433496582faf9d261e83b6c3021f04', 
    'x0WYm5TdQMdjO+6IQL3cbhXs7mHEKd4Lej0cHM/ajQg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)