UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GxZxogBHIR2I9HduQNVS79R87EAP0qUWBk3DYyEXYL4=' 
WHERE 
  key_id = '6f605312648574dcd5aeac38ddc0ab004f315ac1cff362b70da6964735854dbe' 
  AND (
    token = 'GxZxogBHIR2I9HduQNVS79R87EAP0qUWBk3DYyEXYL4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )