UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/zJi7b62qgSjqH4nOl8x1zSqc6g7BTIvPUaU8pYjQnA=' 
WHERE 
  key_id = 'ea35b21dfe6eb40d355997b2bcb937b2496cd2877cf34bc98d6344006fb0e75b' 
  AND (
    token = '/zJi7b62qgSjqH4nOl8x1zSqc6g7BTIvPUaU8pYjQnA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )