INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '968bf19326d2d8e782d88b69aae61155a0eeff5cdcd1f81a9e84fc095aba492b', 
    '+nyudTkHHEwTHw9PHZuu1m8UQzqx5KFM5t/lcjGWtVU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)