UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eQlPDpY4P5C94MSB1HVQqJUf3FjOdBPyA58AzLnkOpY=' 
WHERE 
  key_id = 'b831b612bca2d9addcbb14f58c85aef1491620f1f7a43ad970288ba966f8d38e' 
  AND (
    token = 'eQlPDpY4P5C94MSB1HVQqJUf3FjOdBPyA58AzLnkOpY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )