INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e6f35e2b90c495edc77187240a752b4237fd077e0a994772ad647913043a8db8', 
    '8ZM7L6yrkVojRhdmJ13t42tMGBtPX7ywev/YtRwClV4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)