UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eRf2Qcsl/RLyAmB0S3aPYbkVfzI5h0VrRWoEe4ctXH0=' 
WHERE 
  key_id = '6396d0ff3b6dfb46cd85b628c0a63ff6f538927407e3663a2f1695c2f84a1e4f' 
  AND (
    token = 'eRf2Qcsl/RLyAmB0S3aPYbkVfzI5h0VrRWoEe4ctXH0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )