UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'aK+DfPGrYLyZJIesmCEKZfmPEtqtk8TMGGCwrX+IECk=' 
WHERE 
  key_id = '2c2f3b376e3b0b4852d760f139d3202a0d835bb84e76c2c0816c40af5d27c3b5' 
  AND (
    token = 'aK+DfPGrYLyZJIesmCEKZfmPEtqtk8TMGGCwrX+IECk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )