UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dwjEud57Ie4r2EFpru9nhkFh4TJUQtBrZ3PLCQzTSoU=' 
WHERE 
  key_id = '6f46a342cce39745b8460c2610ae2af8287813418431d77f3201cdb47c088e1a' 
  AND (
    token = 'dwjEud57Ie4r2EFpru9nhkFh4TJUQtBrZ3PLCQzTSoU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00018