INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '538b8fce55fcdb926b5afabd2739313def8d7548d776260ae2d48311c248255a', 
    'sDs3rCjCvXQp+SjsvKkF1Esr0xETHSGcovsVk9QU0Qw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00018

Result

int(1)