UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7mHGOu8POg5aZ7TVGsjPqlpSOIIWtNwEhQwflUMff8I=' 
WHERE 
  key_id = 'afaf18c7034faa20a374507c22dde0d3253689b1b3407b2844b9370029f21e36' 
  AND (
    token = '7mHGOu8POg5aZ7TVGsjPqlpSOIIWtNwEhQwflUMff8I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )