INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6f21c5bd688f25bd6be8062867390c5200032a32c15aefb6e9cbe95ae9a50488', 
    'n7eJ6GhlirDPn573t978eiA31/HzNBP+s0QMrfyoTFg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)