UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NE454Fxi4+kPry0mR5jlhbQaWaA8ohDmAkVQGPNiDuI=' 
WHERE 
  key_id = '66d3ed90c0f9cc019d68d5bcd9a600d981c23f05289ceaeacc1eae8f8d362906' 
  AND (
    token = 'NE454Fxi4+kPry0mR5jlhbQaWaA8ohDmAkVQGPNiDuI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )