UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pMR2gwcwS9NE2evLoRvatDgGk7R+WikC/rzWnIkJvek=' 
WHERE 
  key_id = '0f49bdf2f7ddc5c0d3c2701edd1c7bdeff3fcb556413d44de7aea51b63dd7b7b' 
  AND (
    token = 'pMR2gwcwS9NE2evLoRvatDgGk7R+WikC/rzWnIkJvek=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )