INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e21c95655e4ee0ab57cead7ca16f151ebec60088c86a675f784b6d5a3e44da3d', 
    'iKznfgH2nDJfdsXvon7V1XZhurZ3SWR3xZqeiOlNdQ0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)