UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yzEqUyAfxToAEBwctJPsVfQnOps+9PVg+gQKW4fH/4E=' 
WHERE 
  key_id = '8f5431a5bb0000495cd6cd15e82d95a100e5f40c5d428a951cec3d602c182f6a' 
  AND (
    token = 'yzEqUyAfxToAEBwctJPsVfQnOps+9PVg+gQKW4fH/4E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )