UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RRm74IeA9DmqH4uYW5XL310ArcFeZ5rLHDJTj8WFmj0=' 
WHERE 
  key_id = '1544513a7d30712703b7ebef8e1949c6c46aa516b3eed26b5a601a6f7aba12c1' 
  AND (
    token = 'RRm74IeA9DmqH4uYW5XL310ArcFeZ5rLHDJTj8WFmj0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )