UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RS1BMV0rJkAJAU2Dcdiyh8UOuu6pYlhNr8iJCmQwQJs=' 
WHERE 
  key_id = 'c8ce28148df60789f36341a6cd81edd650855171d32ef106173300fd9e744d58' 
  AND (
    token = 'RS1BMV0rJkAJAU2Dcdiyh8UOuu6pYlhNr8iJCmQwQJs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )