UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9BD3Cav8cxTN9+7aXLopwG2Io0fKHI1hjPFLEXhvRSE=' 
WHERE 
  key_id = '351f03ef5a2cc40399614db6a5997e03a45d53429e94c9ce20742bc4bf2b6e24' 
  AND (
    token = '9BD3Cav8cxTN9+7aXLopwG2Io0fKHI1hjPFLEXhvRSE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )