UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CLb2lIoLt3vlodbBETVJnSKCymSssyKLIXDPhXG3C1I=' 
WHERE 
  key_id = '79d629f2d703b8cc06996b79cbbc1d8d57bb2cc7c6a1a42a6b793b01538e56c3' 
  AND (
    token = 'CLb2lIoLt3vlodbBETVJnSKCymSssyKLIXDPhXG3C1I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )