UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Lj3kVLoX1Q5yWMfvfnkO2a6Mi/QIphnHjmEDHTgIP5w=' 
WHERE 
  key_id = '984f4f3b1fe4efacd2d998edfd15b414c83e6d698a306c0aa4c2c65ce32d9409' 
  AND (
    token = 'Lj3kVLoX1Q5yWMfvfnkO2a6Mi/QIphnHjmEDHTgIP5w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )