INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e21fab3826a607167b80091e11961b7b10f101f3471009e692c100548f96c81e', 
    'OzMrs0OrnkIHZEfKuVfL2IPxNFcIw4qUbGqyJ8ybAEE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)