UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rF9BHRXXymErBoRyJKvNaf45ioHxpqpCekmGiSm1FiQ=' 
WHERE 
  key_id = 'c1b9844620f418295cbca083328a9b367db5be0e944e0dfeb5cc38e4c42c1f97' 
  AND (
    token = 'rF9BHRXXymErBoRyJKvNaf45ioHxpqpCekmGiSm1FiQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )