UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xmm6sboQmXbCFrbvuIfQYvZgXK4gU9M7ylV/O7e/gfg=' 
WHERE 
  key_id = '2a81606f8f8a32592549d51f741bde28d02e636606c220494460a60f54a645f3' 
  AND (
    token = 'xmm6sboQmXbCFrbvuIfQYvZgXK4gU9M7ylV/O7e/gfg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )