UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VFcYCpRDiw1OsvSytu17afWv5QBj7gKwkVc7YprjIxk=' 
WHERE 
  key_id = '27930f3a1b2cbe2cf26e30b2fa2eb44d8a6bd9404770b7e3134cb031f857d7b5' 
  AND (
    token = 'VFcYCpRDiw1OsvSytu17afWv5QBj7gKwkVc7YprjIxk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )