UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'x2LF8kiJ3fEdt+5W4s0yGnqm3PnUk4PauLI94AORUE0=' 
WHERE 
  key_id = '42a91b93a440bcf85507536763a71e0d5c36ef26408418c3650831b0a697055c' 
  AND (
    token = 'x2LF8kiJ3fEdt+5W4s0yGnqm3PnUk4PauLI94AORUE0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )