UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QPLeY8wHqPSj4homSAkchnje3+h7LaIkLWbH4dJ2fzs=' 
WHERE 
  key_id = '6931d3e14b5b94c2a5e60c7beaab5544e59b7188b83b1bc6347c35502e06f9ef' 
  AND (
    token = 'QPLeY8wHqPSj4homSAkchnje3+h7LaIkLWbH4dJ2fzs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )