UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a9C7SNLIF4gX49lrCDyZ1IrmI9MCl1QFbiI5fcSYRVo=' 
WHERE 
  key_id = 'c26f5c8f51af7abfa8e3690daa1e4a77be10966aeef81a4657060b003dd0c7fa' 
  AND (
    token = 'a9C7SNLIF4gX49lrCDyZ1IrmI9MCl1QFbiI5fcSYRVo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )