UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QW8P0nSQGV+jIMhg+kzcqPzX4y1r32wAaoA5PozLyTU=' 
WHERE 
  key_id = '203904b87d994370b81dcb9e0e4b6fb001377959944aa1adbd6f378103bc4273' 
  AND (
    token = 'QW8P0nSQGV+jIMhg+kzcqPzX4y1r32wAaoA5PozLyTU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )