UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KZM9oAz/MD5j7TiwPS3hsP6y/u1nLNlTpfEUQGSyFOo=' 
WHERE 
  key_id = '4535a0dd23531b86b9015f7e74418b9233e76aac21bf08d71d987824951ad876' 
  AND (
    token = 'KZM9oAz/MD5j7TiwPS3hsP6y/u1nLNlTpfEUQGSyFOo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )