UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U/KL51TVCXk5gm+75+Pp1n4auUNG4b8NYqMRmHKCUiU=' 
WHERE 
  key_id = '7eae72b67317e6d4a99c88d0f1333f5fe706401ca54078c63db2da3c8d0b9388' 
  AND (
    token = 'U/KL51TVCXk5gm+75+Pp1n4auUNG4b8NYqMRmHKCUiU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )