UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fZ4ByrZOUsTu+6Xx/ymtZXqoPUyubdoukzRdmAPkzno=' 
WHERE 
  key_id = '6b53cdb36a08e483c63b1c8587781c95406b2040bd45ffae96d4c9cd270d3ec6' 
  AND (
    token = 'fZ4ByrZOUsTu+6Xx/ymtZXqoPUyubdoukzRdmAPkzno=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )