UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7xYAiO3R0GEyaq5oW/07i43OrOIXDtdv9izp8nkSLj0=' 
WHERE 
  key_id = '006a1530c567a0d8e273b8b02cb42ecb81ac3efed25e464a3092aa450fa2da1d' 
  AND (
    token = '7xYAiO3R0GEyaq5oW/07i43OrOIXDtdv9izp8nkSLj0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )