UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DhFOAgDIgK86YHABS0QjaeK6uiocbSmFIVco1fHFDYc=' 
WHERE 
  key_id = '816f8e45c4905edba646f45cba37635cb0870f536a58f6f49b7ea9febdce1f88' 
  AND (
    token = 'DhFOAgDIgK86YHABS0QjaeK6uiocbSmFIVco1fHFDYc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )