UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'p4Ij6W3b5P1EM1KiS9E0QsBIYdvHB8LrKPPGAguI2cI=' 
WHERE 
  key_id = '0b67da17c51fe8caf4e073a6713b3e3434767380155b73060a9cfd4e86bd7b28' 
  AND (
    token = 'p4Ij6W3b5P1EM1KiS9E0QsBIYdvHB8LrKPPGAguI2cI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )