UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'aMcNlYQrN/uK28pXSLF1epMhghgs8xg9DyOJrTzHwdw=' 
WHERE 
  key_id = '151b435a850365b8a2f09dab7d7c18c4512807f5160580720a880d90a35b842d' 
  AND (
    token = 'aMcNlYQrN/uK28pXSLF1epMhghgs8xg9DyOJrTzHwdw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )