UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MTdHKMwTwI2WYMk8uvuykgJgBzDOllq9bn6bHwckPx0=' 
WHERE 
  key_id = 'e1b49c879ade7e2929933f4d6eb091f98555b6c5b83298107e169abc89388a7b' 
  AND (
    token = 'MTdHKMwTwI2WYMk8uvuykgJgBzDOllq9bn6bHwckPx0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )