UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Uxhbvexa19wv81LqObVS5INST3jKtRPUw2owR1/kR6M=' 
WHERE 
  key_id = '174fb51ae826ed7c3c809b8f4d3a80c1b62a6336e2794ccf2fd35af55c6e7cb4' 
  AND (
    token = 'Uxhbvexa19wv81LqObVS5INST3jKtRPUw2owR1/kR6M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )