UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bMYKZjXTODeTRER9mhbpXlw/R1nSCbMbTBYybFGftuw=' 
WHERE 
  key_id = 'b87217b595ba77e42974a610a2f31f27952768efb335128ba58b458c63276923' 
  AND (
    token = 'bMYKZjXTODeTRER9mhbpXlw/R1nSCbMbTBYybFGftuw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )