INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '2639b81425367314e086625e4ee5f497f34187e9feef44cb2d6223e51e6956c5', 
    'QwIsoUvBgJzHLo5JQ2eCcPyC5tSGsZ/5Bx4SaIBBU7M=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)