INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6b5ec68fb224211171e6a1fefcf5b443740a5997beb0b485094d8992054ab099', 
    'beIByKGmey2q0w6vAb6b1emjovE1CqixbjA2NBbGnu0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)