UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QtNZqEu3Hd4Bar2Mxrt9NgKUjyvuEud02EoaX2ifIwk=' 
WHERE 
  key_id = '55ec85c48956f6fd1777bb5177a58d1ed30c4918abe866803761a44c413764c5' 
  AND (
    token = 'QtNZqEu3Hd4Bar2Mxrt9NgKUjyvuEud02EoaX2ifIwk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )