UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Py7tOkGx0j1GsxbfuxAbusqJkYGzZHRm1a/JtvXgnUg=' 
WHERE 
  key_id = 'a6537dc392ccb6565cf3aa78c6b3a27cf09a0e9b44b13e215ab64f02698958a8' 
  AND (
    token = 'Py7tOkGx0j1GsxbfuxAbusqJkYGzZHRm1a/JtvXgnUg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )