UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ka68uc+eWFokGi4lqBI7mhqZNTRCQbUZlfWSoU7OP2g=' 
WHERE 
  key_id = '79ccf8c959a0cf03be9cac8158c856806247c11b0ce49a7f14d47b57ad31d0cb' 
  AND (
    token = 'Ka68uc+eWFokGi4lqBI7mhqZNTRCQbUZlfWSoU7OP2g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )