UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'slMVqprtb0/HwKwVB4pES1Po+DYV3Pun2CeK7RX5OS8=' 
WHERE 
  key_id = '4ad435a50d7340d7b3ede270875841dca8890c152c18eb528650bfe9ce2949de' 
  AND (
    token = 'slMVqprtb0/HwKwVB4pES1Po+DYV3Pun2CeK7RX5OS8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )