UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yubfGGT1y6rS7YaCyW2i2dffCKeP4VVaP0FSQ1jbyWg=' 
WHERE 
  key_id = 'b315302a50519a04082c2a8a4a404e3c7bae4e4234fc07f754643ac7fd0d1676' 
  AND (
    token = 'yubfGGT1y6rS7YaCyW2i2dffCKeP4VVaP0FSQ1jbyWg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )