INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '821a440d60b0f1d3796fa9ad479707a7b55a307322a812aefad5162b02dddc0b', 
    'v3Z9umfpOY4PD730SMwOoLIf5kmmp2i6twehtVDGph0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00031

Result

int(1)