UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WukhkWtXEr0VpPBUIlKfPHNhSq1GxH3lHhOPICCzOFA=' 
WHERE 
  key_id = '81aaf29064d5a0e069bc5ec948040f7d7976df3188f7b6cf5ef70fbb29d3a571' 
  AND (
    token = 'WukhkWtXEr0VpPBUIlKfPHNhSq1GxH3lHhOPICCzOFA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )