UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CHQcJaxHscab2cuGkE6VlE09Z9LO8h1QEihYF4Iw/I4=' 
WHERE 
  key_id = '40a6c1396f7e595f18a62fad234387170925c5d384ba16c3ddcc65260683abb8' 
  AND (
    token = 'CHQcJaxHscab2cuGkE6VlE09Z9LO8h1QEihYF4Iw/I4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )