INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '503a4422f5d6735d450b4f904869c1b207440a02ede286e6689cb3a2e74af4d5', 
    'KSasNWHTKZwD3UHLCW64q6eSZUuyFbcCVBk34gEacO0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00032

Result

int(1)