UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'C9CTBZ0/TdWEQ1dISJlUSM27l0lf4It2OoLwNwPU+Bs=' 
WHERE 
  key_id = '6b6a0f5afa495024dab154dfd45afb6690913cda4df86a4d43ae95f1b023c06f' 
  AND (
    token = 'C9CTBZ0/TdWEQ1dISJlUSM27l0lf4It2OoLwNwPU+Bs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )