INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '81e708a299667d2e3f0710264cd5efcb68c6053c0c9189414a717e09f998d21e', 
    'MF+zCEg9t2z531xijvngiINnyZHEGldwMCZl3Y50Ty0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)