INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a3b8f28cf40d4e36b18435ceb313a9ccb10d35b1e9471014b40e351d98b7eafe', 
    'sEmOT2wMd4+oITGmbC9hkfXQPf3PrOr9SqSlU3R5Q+g=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)