UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rZxIRx7XKGICicp//5FU94VlIDO7DFQs4K/Cku3LPzw=' 
WHERE 
  key_id = '50b5d1b5b983fa8360ede26eae7e3afff956ad94c984f542029385513562bd9c' 
  AND (
    token = 'rZxIRx7XKGICicp//5FU94VlIDO7DFQs4K/Cku3LPzw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )