UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZEW2Zvl1+//RTQeGSTzlYGH3vB1cEttF8+O1427MyDs=' 
WHERE 
  key_id = '50d915dd142606d51aa2e62349cbca185706324b83e55b9c2ded949eecb0e098' 
  AND (
    token = 'ZEW2Zvl1+//RTQeGSTzlYGH3vB1cEttF8+O1427MyDs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )