UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Nc2V9ENqNCoECSfnclU1xjCmTm4mCkAJeMdfxJJUjNE=' 
WHERE 
  key_id = '893f7c1e4505395bfa9ed61f30ce873c1e5046fb522b7ef552863d98c978e077' 
  AND (
    token = 'Nc2V9ENqNCoECSfnclU1xjCmTm4mCkAJeMdfxJJUjNE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )