UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'M/KQ+PCDTyQu3Qo8vyIKKs0jydjMi2eC3jEPwOhHYRA=' 
WHERE 
  key_id = '20e5d719a433c031cf84edab79dde61883bb1a469fb91b3970c9be4a4af26470' 
  AND (
    token = 'M/KQ+PCDTyQu3Qo8vyIKKs0jydjMi2eC3jEPwOhHYRA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )