INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21b750e74787fb08acf3ea74e9a3c14c51a439c3e02db4f1d61885ee56495980', 
    'X6ygKC9DKTtKHzfT2XouhBQmkdKkZL//38GSVg3JR6g=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)