UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nWnu7Fv88vvcE7uQzUQ6bJ7P9GZFNvtMVTKK79d+arQ=' 
WHERE 
  key_id = 'bcc9c070faaf679134539642ac4ea1db83c1edd09f2afaa7efaa708d84167fb6' 
  AND (
    token = 'nWnu7Fv88vvcE7uQzUQ6bJ7P9GZFNvtMVTKK79d+arQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )