UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'p34SGsi3w9GNtzWlFA7JVTMLzsqhVnt7VBcUi6uK0xY=' 
WHERE 
  key_id = 'eb76e078ea337e594b60d7f53a2e68af07b6d22838f2e532a38d9d6de9587fae' 
  AND (
    token = 'p34SGsi3w9GNtzWlFA7JVTMLzsqhVnt7VBcUi6uK0xY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )