UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'l6zbb2BSFzOTGJKYLo+YaJu4ezUwwHJGSaZ52CEZT04=' 
WHERE 
  key_id = '52d6ac4fbad4efb8b28958e5b2c59bf751d34b819295cd3a24bbce7973c2b2bd' 
  AND (
    token = 'l6zbb2BSFzOTGJKYLo+YaJu4ezUwwHJGSaZ52CEZT04=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )