UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'njUJmIvlR8BYjFp0Zvu65NqiVGOXXXH7LRuZDBVEr2I=' 
WHERE 
  key_id = '55a33f9efc821e187a6d7bf0e7e7cd29c36f53d378d4597b255fc8bd9c1aa7b2' 
  AND (
    token = 'njUJmIvlR8BYjFp0Zvu65NqiVGOXXXH7LRuZDBVEr2I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )