UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Pc1q6JMyxIlFw4xtwFFAqke//UsICiWtyaV1+QAM8Eo=' 
WHERE 
  key_id = '19e4498050c8fe888a06636fd2a07c97462417a4218460b3341177cb6064c339' 
  AND (
    token = 'Pc1q6JMyxIlFw4xtwFFAqke//UsICiWtyaV1+QAM8Eo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )