UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2FZe5FSXMcLLAQFDa4e2A+aeoKHwc6UX7EDdD7FUu1o=' 
WHERE 
  key_id = '974b5c81ebfa0923f74a2bee742c728c80c83f18723b810834d1a404dcdf0d1f' 
  AND (
    token = '2FZe5FSXMcLLAQFDa4e2A+aeoKHwc6UX7EDdD7FUu1o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )