UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3i49H5kn9AAK2HwbVHWOJuVzhuDfH0gE0E+mw6SoW40=' 
WHERE 
  key_id = '721affbad7a1035380b0d43b99825265b2f26210357b05e0fda4e690c4715767' 
  AND (
    token = '3i49H5kn9AAK2HwbVHWOJuVzhuDfH0gE0E+mw6SoW40=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )