UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n6P3/o6ExNQkTN/wP6ta1JrELsk8es+zEU3SBzeVsLw=' 
WHERE 
  key_id = '592af90b33e577f643a17752f3896670d5a47b99ebaa6a24965dd0e588b9de30' 
  AND (
    token = 'n6P3/o6ExNQkTN/wP6ta1JrELsk8es+zEU3SBzeVsLw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )