UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6fr18MLsjmZXp8E5amkfzj7gFMQSbBzlmMYDVz2vwsE=' 
WHERE 
  key_id = 'a525033a7227d6d0fb94174e5ba6844db6659bb899d6b0ba210d31e9f41d1a77' 
  AND (
    token = '6fr18MLsjmZXp8E5amkfzj7gFMQSbBzlmMYDVz2vwsE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )