UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PxpIEt7VdHvq3G4Nipx96uo7wN2rOdTnWnEStUFwL/w=' 
WHERE 
  key_id = '36ec475b38c045ecef7108b189be038286e0c42849bb5375e389f5de5e74b4dd' 
  AND (
    token = 'PxpIEt7VdHvq3G4Nipx96uo7wN2rOdTnWnEStUFwL/w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )