UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'poqrMdTVubQLmlimuD246LWoZrACVYtroXbnnsrV4rg=' 
WHERE 
  key_id = 'e1a4c2c9619c15732119d7b922ed23e403ad3f78bdc91669e056237eeb3d3651' 
  AND (
    token = 'poqrMdTVubQLmlimuD246LWoZrACVYtroXbnnsrV4rg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )