INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21162fe4973b8a66dadddc43cb289dc3d848fc27dcaa67b0d5cd20b90a79b49f', 
    '0Tlq4ojWAD2w7JjnEFjU+4wKHXkOjwoQJ2F7vCmEndc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)