INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '9900dcede2c7472f7c10a545c503249d90f7e3b6ecfa64944d13a4b8c39dbffd', 
    'Jb7EmRKIueiojWYZKIvu9J0F2Zdeg29qZOQ6RUA44eU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)