UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'H/Qz+jKhfBhy1stb2rgo8uM8++B5OwduuBMMZCZEiis=' 
WHERE 
  key_id = '83b8d44f15f488324a75b13c1c2e5188dc9e28195c0d39d9d3485c14f823f8f8' 
  AND (
    token = 'H/Qz+jKhfBhy1stb2rgo8uM8++B5OwduuBMMZCZEiis=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )