UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'exaJ0Yemk45JBajrNtoQF/ZXT4/IIE/T5r6uREVqUC4=' 
WHERE 
  key_id = 'a13390d5ee3f41c1e3a8b85b0cf29dfd83603d9f1df153f7a38d6570ba0b851f' 
  AND (
    token = 'exaJ0Yemk45JBajrNtoQF/ZXT4/IIE/T5r6uREVqUC4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )