UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'h8YpGwN1Eqji4SY6SM6ciIzRpbsSVb1LzHCxvGMwSIc=' 
WHERE 
  key_id = '4719f33ff92319c48ab5f9112a8b1d4a0ae9be66402021c7e88ccad0c3c89149' 
  AND (
    token = 'h8YpGwN1Eqji4SY6SM6ciIzRpbsSVb1LzHCxvGMwSIc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )