INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '921c4c64f35a4232df7bde1cf6783494d4f81af7fa1c9112a038646eac806d76', 
    'E3hu3qa6MeQ800PYyJGLFQCHzFnquN6ANDG18TEnN+c=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00032

Result

int(1)