UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'p+L6mQ993nn6mUEPXdSS6bXx8RrU2TokMcJLVmEvfSM=' 
WHERE 
  key_id = '31971c742d5ee7401363a94756e0db51830e666909e5f5a57700ed66a9b818a9' 
  AND (
    token = 'p+L6mQ993nn6mUEPXdSS6bXx8RrU2TokMcJLVmEvfSM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )