UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kL2xBySABTH05pX0PbnKBlSd45YcymcvmRiimyXBEes=' 
WHERE 
  key_id = '78b462a68e9a18f02a1497ff5a20ef2e209a3f4c05a37318498912efdb7c6e14' 
  AND (
    token = 'kL2xBySABTH05pX0PbnKBlSd45YcymcvmRiimyXBEes=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )