UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xS5V8jyCwGf0XN0x7TLLdytrWqfRkRUaKokRQ8ng45w=' 
WHERE 
  key_id = '2891982d3062b0b59060e88643826272f38881c332f670d3387dc54d509ebb2f' 
  AND (
    token = 'xS5V8jyCwGf0XN0x7TLLdytrWqfRkRUaKokRQ8ng45w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )