UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wP96711OAywza6RTZS4B6vdDHMqz8er1NnhwWBceJuc=' 
WHERE 
  key_id = 'a6b7c83a7727f4a64433e7e2dcaa0c55a1bc8997a790d67b5e0141f4286840f8' 
  AND (
    token = 'wP96711OAywza6RTZS4B6vdDHMqz8er1NnhwWBceJuc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )