UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RGVS+VIyLfiBYhIIrqMOdTNN04GvmuGVzXMxzUnskes=' 
WHERE 
  key_id = '977518746e1c266923e7701f4c3b9b8b894bc52e0c84aebaef5384a7fc3d83fc' 
  AND (
    token = 'RGVS+VIyLfiBYhIIrqMOdTNN04GvmuGVzXMxzUnskes=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )