UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'myIRDMdL8x00DmBkyAIq+DbfKOTnksZdAQRnMRuxszY=' 
WHERE 
  key_id = '7a4b489ebfde7cfc4591928dda099c7c5b23db24c39574f26f849bce7af46204' 
  AND (
    token = 'myIRDMdL8x00DmBkyAIq+DbfKOTnksZdAQRnMRuxszY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )