UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zn2a3MXGPtL1CqQnmA3h8HhP2PFXzbcNdDQRtQapAi0=' 
WHERE 
  key_id = 'a4178760e72f42500e2088bc9d5d9242307030dca81b10e4f3c08393b94a5b26' 
  AND (
    token = 'zn2a3MXGPtL1CqQnmA3h8HhP2PFXzbcNdDQRtQapAi0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )