UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'skuVdCp/MjW+gb8GqNKOapzuWFpZlVBB2kBY1BZEK5k=' 
WHERE 
  key_id = '40df804d47eb11be0dbab39f92707ec71df6b73fbf120ecc638502e816787236' 
  AND (
    token = 'skuVdCp/MjW+gb8GqNKOapzuWFpZlVBB2kBY1BZEK5k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )