UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '68X1epIfKFYqSFrGijKppaqiGqDuK8H/QmzFRXzWZO4=' 
WHERE 
  key_id = 'e9677a8e7f26e97559f923650796c09f32468acac677d4781f4d72a8c45e0b9f' 
  AND (
    token = '68X1epIfKFYqSFrGijKppaqiGqDuK8H/QmzFRXzWZO4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )