UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yUIG0iKYwR7kgm5eSJslGsZLkvx32tutlquGUOT9cys=' 
WHERE 
  key_id = '1ece7dfc415674105a20cd6d897c75789bc1095c5d98dd6af5bd066de68f7553' 
  AND (
    token = 'yUIG0iKYwR7kgm5eSJslGsZLkvx32tutlquGUOT9cys=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )