UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '93A0h6KMr3YcxVSAGw+F62tYUAkmtCgEfpefD3T73Ug=' 
WHERE 
  key_id = '1974ee8182113f7e0ac711d52f2c636ba8b4b7de9e0ea834ad6d6a823574fac1' 
  AND (
    token = '93A0h6KMr3YcxVSAGw+F62tYUAkmtCgEfpefD3T73Ug=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )