UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mB5YRLroKh6STSFjCxV1tORkImhCnG8vgnGxgLVOxzc=' 
WHERE 
  key_id = '492e749304487e0d0e835e74fa43dce62077346640f1fb3c1c8e8109581fbf21' 
  AND (
    token = 'mB5YRLroKh6STSFjCxV1tORkImhCnG8vgnGxgLVOxzc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )