INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21d87a199a541ad1618acb7482e882232dea8740801e8a4503f29d9ad4119664', 
    'qEM8xvvV4q3+kEgIxleq2rD+wFRcTzNNV8sTo16XWUk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)