UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5ehWDnycY03cXLRQPHbDsNFyHCI8yExXZ+HnvfVz/xQ=' 
WHERE 
  key_id = '1ebb9c057c5d850c21fc725e601749f083f7e2f8b6b32006d13c082b07febd2e' 
  AND (
    token = '5ehWDnycY03cXLRQPHbDsNFyHCI8yExXZ+HnvfVz/xQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )