INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a1575b02ae1e8a6a4e638b2b60a886be0c16c984a9769d47f781c24c510137d1', 
    '29NXw3bfqjFp9tbb0CInPONaWedpHQucRkeB5ShejOs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)