UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RvqCNnX/Q0USbRMRtxS6SYnMQGCrCfTRI9HXa996cjs=' 
WHERE 
  key_id = '4a1b6c41a6e030a0b3d90f25096de2db983c1bd642838051c1d9bbdbb62f4021' 
  AND (
    token = 'RvqCNnX/Q0USbRMRtxS6SYnMQGCrCfTRI9HXa996cjs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )