INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '516a591644a07a2de2209c4c1744ab6f0f1b6ce6b6395cc304cc82939cb5013b', 
    'DMZZYnxf5MzsU14uzKAO8foIGxAyfgX55APN0F9Lurc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)