UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WbUAe3x5Y7nX8uy8YAnVSRCW20ZoxXtVCPSRxiDptec=' 
WHERE 
  key_id = '5836434c4d3e89031567f853e4c48b415aafe88fa2c9c6ad51e10021b6fabd8d' 
  AND (
    token = 'WbUAe3x5Y7nX8uy8YAnVSRCW20ZoxXtVCPSRxiDptec=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )