UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k491emECrFMOF8uU48RC+kuJzV18r5uYk7x32iXYeU8=' 
WHERE 
  key_id = '94e8516a456ed4cbbc7d57e88ee2c3ca19a423f845229d3370c8550bab691827' 
  AND (
    token = 'k491emECrFMOF8uU48RC+kuJzV18r5uYk7x32iXYeU8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )