UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nZDs1bCdPSmjokrttFLTfq32TlNGWYHiVjpdM1yljj8=' 
WHERE 
  key_id = '4a642a244d64fb4eb87aca27b85061241cb651aed7309a1dcbb97d0b56623ee5' 
  AND (
    token = 'nZDs1bCdPSmjokrttFLTfq32TlNGWYHiVjpdM1yljj8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )