UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'i/PAfXv4N3M3MbK9je/xTx8tXNUeObRcMcTXXk5AlVs=' 
WHERE 
  key_id = '5d4d6fd5d343be89d0ce2d17e1714c28b1b70009f62ac90c1c84f0ba046106a2' 
  AND (
    token = 'i/PAfXv4N3M3MbK9je/xTx8tXNUeObRcMcTXXk5AlVs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )