UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PPlhmdNER8Lz3vr354EHyKA65HyNbTc6djqbNcB+WwY=' 
WHERE 
  key_id = '7ac464843958d0f476da1292599a7b73643eab0fb2b87a2d85565e5460b3ee31' 
  AND (
    token = 'PPlhmdNER8Lz3vr354EHyKA65HyNbTc6djqbNcB+WwY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )