INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5b50fb03a3e5970655a12d278601e0a7ecc8f2c2bed3870208e0651e1a45936a', 
    '1eKJZx/6IKkEHvluqETd2wNYeE/WLXEsPHaV56lfBFM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00044

Result

int(1)