UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'enqf31aG5cg2dScml81EZ4KC29eP4XwBx7IPSuhxl7c=' 
WHERE 
  key_id = '6ad19897ff60c746273e71ea6186f43822d827723643178ef65ab6b4545c73cb' 
  AND (
    token = 'enqf31aG5cg2dScml81EZ4KC29eP4XwBx7IPSuhxl7c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )