UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EHIfSBdkoiMeS+RgexWUK97egdOhNcZ8cYvCmYu/Dns=' 
WHERE 
  key_id = '3b20d9e603247892e2b8545e853765e69f3d5ee391f0a0e0e23d2175428624cd' 
  AND (
    token = 'EHIfSBdkoiMeS+RgexWUK97egdOhNcZ8cYvCmYu/Dns=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )