UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z9ffdc56W2I15UTEtvPQ3NOKD/UuES7qrQCKBQWVWx4=' 
WHERE 
  key_id = '79abbbf1db4489caab2ac6e7d4a8ddb0b0045e82a2bfc864b8f0a3a501184130' 
  AND (
    token = 'z9ffdc56W2I15UTEtvPQ3NOKD/UuES7qrQCKBQWVWx4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )