INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '2a5b642d410c2eaca07d434639d613cace84487df07db84208df9f48c1003b2c', 
    'P76jSy3IT+BbBOmrSbf90HWnkx79m3aYc5uD50x1blY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00041

Result

int(1)