UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'x6c+/sBMrucHt2nuf67h6UC7CBzSGNFcEDKW2mpROKc=' 
WHERE 
  key_id = '39d352004683c58d92047c2184b1b24b019a4af1ed46a74df3ca63afa8f03c51' 
  AND (
    token = 'x6c+/sBMrucHt2nuf67h6UC7CBzSGNFcEDKW2mpROKc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )