INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a4dc91a5d88ba00494c9fc174e20e11a4a55550bc13cbe4c0a19f327ae6c4021', 
    'rNS6GMe71hU7iX34EDjEjJPxZFF0E1T9myYA3ZeO7do=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)