UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't+UY6vy655rIkR9RdDTgmCQepEdxgp+AZeT16Ank/+4=' 
WHERE 
  key_id = '611ab92d56aae913140c9e584131d6010c393abf248b21fe22929b2e4ee77044' 
  AND (
    token = 't+UY6vy655rIkR9RdDTgmCQepEdxgp+AZeT16Ank/+4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )