UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Gk8PYpAYgHt+jqNUobajFa9WbrvPeN3dviReG76QyRo=' 
WHERE 
  key_id = '394b8325445aaabfd7f57a9ce674095962f35a50bb00e59f80a7bf54b3ab073e' 
  AND (
    token = 'Gk8PYpAYgHt+jqNUobajFa9WbrvPeN3dviReG76QyRo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )