INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a449ac52506088320df54d730a73e3a841b285bc6db655d9d5208e3e7cdc88b9', 
    'acjPkp8MKbr13XsVyVeoOmUiclcVvvZOzjW0BaA1+Zo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00042

Result

int(1)