UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wC8vprsmWLKAF6LJHRLL36DpNen2aYZ4SdDjdyz9FGk=' 
WHERE 
  key_id = '2c6075bb65f4bb126066ba6fb91383516dd17973393735afac3b2fa516596842' 
  AND (
    token = 'wC8vprsmWLKAF6LJHRLL36DpNen2aYZ4SdDjdyz9FGk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )