UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Le4EdjUfNw9RF2cwAf1DldqdCyx+opRthoLEe9WOoCA=' 
WHERE 
  key_id = '951ec34d4600d7d1545186bdab72c2834bc658c88e5b1b9133af834879aa93c3' 
  AND (
    token = 'Le4EdjUfNw9RF2cwAf1DldqdCyx+opRthoLEe9WOoCA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )