UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'scWVRZS6Vx/G1DGLkgewn3B9Wbb4XeTWXV0fjpWi138=' 
WHERE 
  key_id = '2a7779878dca92c9519d1f71504586b8c94fcabab3e7b437992ce33296b69040' 
  AND (
    token = 'scWVRZS6Vx/G1DGLkgewn3B9Wbb4XeTWXV0fjpWi138=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )