UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KRSDWtDl78eyT35Jd7F1Yc1noP0iHzcXTNa77Z2qzS0=' 
WHERE 
  key_id = 'c934812071fee9f519d140bbbeaac920c1c3b86ee328df6e2c78648217c3a473' 
  AND (
    token = 'KRSDWtDl78eyT35Jd7F1Yc1noP0iHzcXTNa77Z2qzS0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )