UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/QsrWBy2BNC7GOkAMJIsRpCQr7p0lmBoEko2buEC0Ck=' 
WHERE 
  key_id = '4a6c7d02a6188f36b07e79531bee4ce18a298271b5faf420183dcafa2ebeb8d6' 
  AND (
    token = '/QsrWBy2BNC7GOkAMJIsRpCQr7p0lmBoEko2buEC0Ck=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )