INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '509fce9e1cc7726f1220a8bddc956d1e2fd878502c1104af823a4b3d6edd57a7', 
    'av9SdVl6L786f6y7ZkFLqbO+xp07LGExWyB6ILMyPyA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)