UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UYzJUGSLBjVzB6rbxK7FGARQiNNLZrV3lMhbCIBiptg=' 
WHERE 
  key_id = '42d121203d3ffb73b433a0c007f17884e034b253353eb2c9360301946bc44d42' 
  AND (
    token = 'UYzJUGSLBjVzB6rbxK7FGARQiNNLZrV3lMhbCIBiptg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )