UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uh6jMRrNvCjUNIkg82ugcvDaDPfMMWYhsGKDBeotTtY=' 
WHERE 
  key_id = '970c64bcd8fc2f7fd8cd62a8b6339f6f02d80887f56df4b0f3af4824f671f0df' 
  AND (
    token = 'uh6jMRrNvCjUNIkg82ugcvDaDPfMMWYhsGKDBeotTtY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )