INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6e68baac9f5455f5b61c6b274f9f30a5a69feb51b17861f71ded84e744f7e016', 
    'fb76PQPOKgf8AinaGrwLqy6VNdr2T/RUL3qyhr8aQAE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00041

Result

int(1)