UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PmGuppyWycNdVZnr0WNBuixIZJTWHTQXeniSDr5ZN6o=' 
WHERE 
  key_id = '51c56415e9b4d92227ad6c8e46e737053a879b2f9372a6d1d84e3cf942c1b14c' 
  AND (
    token = 'PmGuppyWycNdVZnr0WNBuixIZJTWHTQXeniSDr5ZN6o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )