UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pMPFtFTc5n9yaCNFOdaXEzyUiIHiCRp6lHJdxw8xnuo=' 
WHERE 
  key_id = '5b68805fe5a0e2df746aef57a8b936c2657c1682101ed1649f9195ff60e97764' 
  AND (
    token = 'pMPFtFTc5n9yaCNFOdaXEzyUiIHiCRp6lHJdxw8xnuo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )