UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0R33X9/krv3Q9cpoe2/JG9mYn1+1xP5kJgYunu5R/UY=' 
WHERE 
  key_id = 'cc64836d6564bc71b60bfdfceb3208410fe9d8a95011629887948f12fb47ae20' 
  AND (
    token = '0R33X9/krv3Q9cpoe2/JG9mYn1+1xP5kJgYunu5R/UY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )