UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r2fmceDvHyY3B+qjPnkFNR0LhhfLgx4BFkLxPen5vnM=' 
WHERE 
  key_id = '68c8ad509d808dbd2e93b0e3358148c564950b6b81ce1c3fcb0b9958209e7312' 
  AND (
    token = 'r2fmceDvHyY3B+qjPnkFNR0LhhfLgx4BFkLxPen5vnM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )