UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6D9UpLxqfgSfNKgXPDfjvV9epkNi/dC+/DMM+oBOoVI=' 
WHERE 
  key_id = '8f6c4290c91436b993fab05ac5bd6340261076b2bf4419fa1ef5a541be10d9f2' 
  AND (
    token = '6D9UpLxqfgSfNKgXPDfjvV9epkNi/dC+/DMM+oBOoVI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )