UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mk1bxuSJMrQtL9eMVHqlzv8AlPB5FUhkYrD0zX4/aeo=' 
WHERE 
  key_id = '503cdfe3734354116dc74ab26e2568eab03ba616f9d8b0df0229489c271a2aaa' 
  AND (
    token = 'mk1bxuSJMrQtL9eMVHqlzv8AlPB5FUhkYrD0zX4/aeo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )