UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AI4fO5bqwXXZkN+9eyusvQNBo18+H9id/nWbPFsowYY=' 
WHERE 
  key_id = '49a7b69255701ce998d42f315dd9a20a7cba2a807902345062f0b15eb18fdace' 
  AND (
    token = 'AI4fO5bqwXXZkN+9eyusvQNBo18+H9id/nWbPFsowYY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )