UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZD8ATIHvbGwe3FHP/aX2cui77A5AKVYV9R3+48Mu00A=' 
WHERE 
  key_id = '66e3b8a9a64e155c8b0f9681179f14a5b1a9dcbd12e2755abd87ada94bbc7eb6' 
  AND (
    token = 'ZD8ATIHvbGwe3FHP/aX2cui77A5AKVYV9R3+48Mu00A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )