UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lIy8MmIrAXXPMl/8tEtmkznI2Vlf947i2Jubsbh1fHk=' 
WHERE 
  key_id = '6fb7fbfb9a9ab8a5876466e563b6173a7fae9a5b2632553804639eb2334b2f72' 
  AND (
    token = 'lIy8MmIrAXXPMl/8tEtmkznI2Vlf947i2Jubsbh1fHk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00029