INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a703d062c8361c3128a00c0e2e4837cb646529868836b191a17e98d947c9ee9a', 
    'WSAL3SptuspCiabfihDxY0tJiY3v1XUZ5fN6+hGM/ak=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)