UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MWIeJcrlUJoqfeK8LEG5wzBVXpHpGYzI00jVOiwA0Wk=' 
WHERE 
  key_id = '903841dfd45ae4340e39a2c4b493439a48613000bf9458c4612b445f2865fa68' 
  AND (
    token = 'MWIeJcrlUJoqfeK8LEG5wzBVXpHpGYzI00jVOiwA0Wk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )