INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b470a979a6046c3810918fce0eb0e9ad6292e3c0cbedab1d050011a1f4cfb009', 
    'BAx2UZSnalfJqqpf8yXP22hMqZ2N13QW+/5w4ECV+oE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00038

Result

int(1)