UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EJ/mbfVweOt+6ikch+SfNma1Q6zcvuGYSHBTslq6Ca0=' 
WHERE 
  key_id = '68f367c0d827d849b3766953bfa3c23e9c0be54b673c96e0a560266a0df926df' 
  AND (
    token = 'EJ/mbfVweOt+6ikch+SfNma1Q6zcvuGYSHBTslq6Ca0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )