UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zCVxbu84xbONp6oRYQtcYkFPShkAHwfzlmD+t+cFXNY=' 
WHERE 
  key_id = '2c2da2b9ee9d7ee517f98f4e694ec3eb4cbf247686aaf67f8b85beda66879ef8' 
  AND (
    token = 'zCVxbu84xbONp6oRYQtcYkFPShkAHwfzlmD+t+cFXNY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )