UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ljVC7xbdQPTlmM9CCeqRXHdLYxMCBN3j6ALZwGefufw=' 
WHERE 
  key_id = 'a3a7c11f603cc29e2429a24cf95454837676416fab0cc76513a7831bef34c3aa' 
  AND (
    token = 'ljVC7xbdQPTlmM9CCeqRXHdLYxMCBN3j6ALZwGefufw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )