UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'W6Sksw/1sFl8+a9ksOl4QBIEu94L/3p1nPZt9/xuxCU=' 
WHERE 
  key_id = '53d8b72cac45d756425f87c936c5b0cd7cb9250cb7dcc51a0352ae1f765c905d' 
  AND (
    token = 'W6Sksw/1sFl8+a9ksOl4QBIEu94L/3p1nPZt9/xuxCU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )