UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'BwBEIF3WOaJ5oUlw1DE4IxWyRbkRvHzB+ZXxuU8TvmY=' 
WHERE 
  key_id = '66fb9d72ebf439b5dabfcedefde48ceb8969d1eae1e73e043a4a8dc73a30af1a' 
  AND (
    token = 'BwBEIF3WOaJ5oUlw1DE4IxWyRbkRvHzB+ZXxuU8TvmY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )