UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MLKZ3x2pDuHXsFRsxyc2PkNDw0Bl6yONqLMyTz61yG0=' 
WHERE 
  key_id = '71f001f95fec733b385978e885068e84d07fa0b4584e9f02ba56a8de375a0ec3' 
  AND (
    token = 'MLKZ3x2pDuHXsFRsxyc2PkNDw0Bl6yONqLMyTz61yG0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )