UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UwnsgFTv/nRm6PHW+x7ZBZq5lJvbUg3ffZPY4exc8dY=' 
WHERE 
  key_id = '8e5fa75f43f0e2381b8258787630c834b452c1c612c94dd8638a40b8c9176b61' 
  AND (
    token = 'UwnsgFTv/nRm6PHW+x7ZBZq5lJvbUg3ffZPY4exc8dY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )