UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k2TKN4bt3vwD0VwSYaHc8dAjlvPstdFLyTuF2G8CCmA=' 
WHERE 
  key_id = '7d4c37fa44bcf1d26236831a7913c37f753944a5abdf79dfdb9cd821186cb8ad' 
  AND (
    token = 'k2TKN4bt3vwD0VwSYaHc8dAjlvPstdFLyTuF2G8CCmA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )