INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a5b03ce31537a2b981cb3b95852e8949b484b21c85d8f24ec652bde12ed5f796', 
    'fmq40xR6N2+ZJGUe4IERXn41c2YubxN6/3bI9qxb+ec=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)