UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rb+RD0FfRW2rEcvkW4IhxMCsTjxOYLDDrhVdgsVpnig=' 
WHERE 
  key_id = '40459259e414f7a0e5a6f53256529b3d33fa58a56532aa26ea404fd6a4af6846' 
  AND (
    token = 'rb+RD0FfRW2rEcvkW4IhxMCsTjxOYLDDrhVdgsVpnig=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )