UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u0V0JMkimzaDWkhYmCXHCZOsSB76/YRi+GZRCTnGM1s=' 
WHERE 
  key_id = '163202da8cbf4984652b2f5380552cf02e349091cfd307e56346b0bd9360ad0c' 
  AND (
    token = 'u0V0JMkimzaDWkhYmCXHCZOsSB76/YRi+GZRCTnGM1s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )