UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mbxmOfIeERmgc9Lr5u2Ef5ebnm9m6askk+EosEEiQY0=' 
WHERE 
  key_id = 'a3e8197222ce7f8564e8c05ef93846357256dfafc0388eb628df046af76396e9' 
  AND (
    token = 'mbxmOfIeERmgc9Lr5u2Ef5ebnm9m6askk+EosEEiQY0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )