UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'v2pMwVMgIRfRj1pCJhVPDybhKmXr+E87sEHWmGCVZak=' 
WHERE 
  key_id = '6d540b9fe4a89c3e3f98d16ed485321e29c551acb83df8d94c0228b349fe0d61' 
  AND (
    token = 'v2pMwVMgIRfRj1pCJhVPDybhKmXr+E87sEHWmGCVZak=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )