UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mKiZdIC5Etkvw271ziLcY7LoT2iiqw5hNq2ueD2BFSQ=' 
WHERE 
  key_id = '068c75f871a4bb7c977a47c00407bcbfde901bfd680543c8e8a0edbe2ead471f' 
  AND (
    token = 'mKiZdIC5Etkvw271ziLcY7LoT2iiqw5hNq2ueD2BFSQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )