INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '68c69db2d5308411e7bbc3f0ff891388c5f9bd17b098654789bcc31183730503', 
    'oKHvPPlSFWW63vVz9XcFa7NgK8xBot55RG5yA03vWGw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)