UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K3UeGLvoEiD0K3O+6WFMQzXIWvfzqu7py0u2/4848Dg=' 
WHERE 
  key_id = 'bf13efe194d81fc4a873323541f01b87e6d791b689dd442fc87f16ee849899ac' 
  AND (
    token = 'K3UeGLvoEiD0K3O+6WFMQzXIWvfzqu7py0u2/4848Dg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )