UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gUw2AZiFnxSvQVyfGkkdNygeoyo/uv4AX1tSB4eDy2k=' 
WHERE 
  key_id = 'a521cdb5247c8976e8b1947a8d811161b35344f3473c1ee8eb205dde38d88971' 
  AND (
    token = 'gUw2AZiFnxSvQVyfGkkdNygeoyo/uv4AX1tSB4eDy2k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )