UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ri6E8M3lhc4YpevusxsS+GpGu7jt+QCGMA9qjIKwkGs=' 
WHERE 
  key_id = '939a38d33e77838f3dd8d488572969f8723568be3bab3b52d30407a4095b0c63' 
  AND (
    token = 'Ri6E8M3lhc4YpevusxsS+GpGu7jt+QCGMA9qjIKwkGs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )