UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ye+XwuIxYg8LoogdhBkCzI13N5WTZrQa7sv9clTTt6I=' 
WHERE 
  key_id = 'c775c6b9e2dfb258b6bcb8416d66ad7db6bada7317d7375642ecef6c0653d8b2' 
  AND (
    token = 'Ye+XwuIxYg8LoogdhBkCzI13N5WTZrQa7sv9clTTt6I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )