UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mUkCuEgrSBzNxHEvpbnYUmItg7G4Ai0uo+tiV+ITO/w=' 
WHERE 
  key_id = '7cfb283f3521a21f2d3297695cee911d81e12cb2ea711ee663d1ed7f2b579621' 
  AND (
    token = 'mUkCuEgrSBzNxHEvpbnYUmItg7G4Ai0uo+tiV+ITO/w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )