UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mZdon7Es5NeVwABcl9a7FMhDin/IR32c4e1mW7Dk0aI=' 
WHERE 
  key_id = 'e7e39311b61ac3f4b4b27b988d6d0357bcc591365279507b447502e02ff5c927' 
  AND (
    token = 'mZdon7Es5NeVwABcl9a7FMhDin/IR32c4e1mW7Dk0aI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )