UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9+nHAxBIiDDAHSk2ogyEyHmQ8Z2wSkxaOzNKxN07Ij0=' 
WHERE 
  key_id = '6c576b5198069b48bd77582fa63b8200d143d5688b13cfba81c94396d4366aa5' 
  AND (
    token = '9+nHAxBIiDDAHSk2ogyEyHmQ8Z2wSkxaOzNKxN07Ij0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )