UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jqWWWZFrLQ8zd+4iLXKZ/uJKWLm3L8Cin2BwUYZIBiQ=' 
WHERE 
  key_id = 'e94e6cefae6934d234a1d76e75bc825289d34a869aa7536bf2b500671fe99d24' 
  AND (
    token = 'jqWWWZFrLQ8zd+4iLXKZ/uJKWLm3L8Cin2BwUYZIBiQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )