UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K9RRHfg5oT79WzzML8aJ86VqOnS9i/YUJgYKHJFNDZs=' 
WHERE 
  key_id = '8db975792334d72048663cb7bda43e242737dff693ee8fe2704ec17c06594c34' 
  AND (
    token = 'K9RRHfg5oT79WzzML8aJ86VqOnS9i/YUJgYKHJFNDZs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )