UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'sx4R0dkua5qzASfiZ7C9xPdiV8ThuuiqKpIEJH0WDDA=' 
WHERE 
  key_id = 'c87ac2797345397a532081fb84d0f139772fde3556567389035b72c0edbdf697' 
  AND (
    token = 'sx4R0dkua5qzASfiZ7C9xPdiV8ThuuiqKpIEJH0WDDA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )