UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Zn+IjDh3poEIKvoAsGRKtSCoeS5Zd56d9dEHNdYYqRk=' 
WHERE 
  key_id = '3527b2dcba98f077d720ccb7556105026fc27619102b06ccf9df12eaeee0553e' 
  AND (
    token = 'Zn+IjDh3poEIKvoAsGRKtSCoeS5Zd56d9dEHNdYYqRk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )