UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z8n38hhQR3chxsyfC7RfrN3Yctc44/XuMuqNq414zKw=' 
WHERE 
  key_id = 'c04841698b3672a0e56d399b0f921115dbd51a88b29c787d95f77dfb60405cb9' 
  AND (
    token = 'z8n38hhQR3chxsyfC7RfrN3Yctc44/XuMuqNq414zKw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )