UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'w6PV41T76CXE6RZyF5ctZqEQjnY5zWrWTTVSFBIvof4=' 
WHERE 
  key_id = 'e847cbd021a1e626f654a7be6bd7212bbc6460652c402795034acbf5b5df281a' 
  AND (
    token = 'w6PV41T76CXE6RZyF5ctZqEQjnY5zWrWTTVSFBIvof4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )