UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YSqzAFum50sTK0Dni7OGVng4RCOGVeylVIzT6uwfeDk=' 
WHERE 
  key_id = '699604c5f5c5a58e29a73a594102fd3e00ce86382ffa15ce969376d4c61b0779' 
  AND (
    token = 'YSqzAFum50sTK0Dni7OGVng4RCOGVeylVIzT6uwfeDk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )