UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'O2MYnd4n6QPukGyYA59pGityKvw7dXoqHn9BuMWpeEc=' 
WHERE 
  key_id = 'b1f95b261e0655b9af0820603eae8f0e92ecb114c5b940d69c06176a2f936541' 
  AND (
    token = 'O2MYnd4n6QPukGyYA59pGityKvw7dXoqHn9BuMWpeEc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )