UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'E5ZNe8xtTtjHWB1L9jRVS2izmYgXEMBuqA6FdkRbOMA=' 
WHERE 
  key_id = '61ef5e458145a9461604b48c9f70c08a636fe4db738b5214a4c806a41a596a6e' 
  AND (
    token = 'E5ZNe8xtTtjHWB1L9jRVS2izmYgXEMBuqA6FdkRbOMA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )