INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51c0f0c4667b383129243d81ec531022841bdacd461335bb5cf723d25346677d', 
    'lko0w2M66XqMAnlXk2tgV1rI8J0yBQHyo2sXiEvxlNc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)