UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8KeYAENOosT948CybHAFLVIxz6faXbZmHd3F8XGMVLY=' 
WHERE 
  key_id = 'c0877afe6b235659ca447be753d955b94af6b4742d1bcdb8908b1d89cbfa86df' 
  AND (
    token = '8KeYAENOosT948CybHAFLVIxz6faXbZmHd3F8XGMVLY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )