UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Uh6xdSL4SVg58b6MlBBw/jpHjFHs5aOjPSCGa86Yq1s=' 
WHERE 
  key_id = '300b697048351671e35b033690fc00e5c5e909a7b1611b21a0b58c8637605f7a' 
  AND (
    token = 'Uh6xdSL4SVg58b6MlBBw/jpHjFHs5aOjPSCGa86Yq1s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )