UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iFxYC3fdjh3tMxNdui1202LFiIs21jSI5yWgZA4+z+0=' 
WHERE 
  key_id = '198250f56540b4cb359df0e2759ec96b04f28a395daed949c0746a0e70133255' 
  AND (
    token = 'iFxYC3fdjh3tMxNdui1202LFiIs21jSI5yWgZA4+z+0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )