UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LH3izHxCrBCkPLN2F4MHjkU4m4o4BaNxHVmxDwiwKT0=' 
WHERE 
  key_id = 'b8d8c9ca69d54781d59f6e51305014ad419fe8a0bf387394cbfcb3a5a868ad8e' 
  AND (
    token = 'LH3izHxCrBCkPLN2F4MHjkU4m4o4BaNxHVmxDwiwKT0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00043