UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xDQMFxJ+Eo8zjwd3uYauWJvV8NDsl+1SqDyp6uuCB2c=' 
WHERE 
  key_id = '21db0a0270f80ebe3dd1e3971c7d3d6832cf8b6bcfe66af8bf8e84fd8047c160' 
  AND (
    token = 'xDQMFxJ+Eo8zjwd3uYauWJvV8NDsl+1SqDyp6uuCB2c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )