UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'M6HT/BG89cfq1o4DWNBUEBogb+WsFV5Vl26OT7XWcUE=' 
WHERE 
  key_id = '490eeadbfff3e065776468ef541df4e96efb97bd57da2eb49c51196368030550' 
  AND (
    token = 'M6HT/BG89cfq1o4DWNBUEBogb+WsFV5Vl26OT7XWcUE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )