INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '2c2321fe25724deda0976c8a525385dc151edb5a977d837195e79867ca6f6325', 
    'LERJBA+WtvDth1X4aVQQHznefk0I8WIK25xWUN3FK6Y=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00018

Result

int(1)